CN105089552A - Fully intelligent well completion method of oil (gas) field production well - Google Patents
Fully intelligent well completion method of oil (gas) field production well Download PDFInfo
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- CN105089552A CN105089552A CN201410395809.9A CN201410395809A CN105089552A CN 105089552 A CN105089552 A CN 105089552A CN 201410395809 A CN201410395809 A CN 201410395809A CN 105089552 A CN105089552 A CN 105089552A
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Abstract
The invention discloses a fully intelligent well completion method of an oil (gas) field production well. The method comprises the following contents that: (1) a plurality of cable passing hydraulic packers are arranged in a production tubular column, and any two adjacent cable passing hydraulic packers are connected through a fully intelligent switch slide sleeve; (2) a power supply and signal cable is prepared, is fed into positions, provided with a non-contact power supply and a signal sensor, in a well through an annular space inside the production tubular column or an oil casing pipe, and is subjected to automatic positioning and butt joint; one end of the power supply and signal cable is connected with cable wires of all of the cable passing hydraulic packers and the fully intelligent switch slide sleeves; and the other end of the power supply and signal cable is in butt joint with a power supply and signal conveying cable extending into the production tubular column from the ground; (3) in the process of passing one end of the power supply and signal cable through all of the cable passing hydraulic packers and the fully intelligent switch slide sleeves, the power supply and signal cable is electrically connected with all of the fully intelligent switch slide sleeves, and data measured by each fully intelligent slide sleeve can be transmitted to the ground through the power supply and signal cable. The fully intelligent well completion method has the beneficial effects that safety and reliability are realized; and the operation is simple and fast.
Description
Technical field
The present invention relates to oil-gas field development field, particularly the full intelligent well completion method of a kind of oil (gas) field producing well.
Background technology
In the later stage nineties 20th century, BakerHughes, Schlum-berger, ABB and Roxar Deng Ji company all develops the Intelligent Well Completion monitored down-hole.The intelligent well completion method of these companies is had nothing in common with each other at present, and the overwhelming majority is all the Push And Release adopting hydraulic control mode to control individual layer switching sliding sleeve, and cable or light are monitored and transmitted the payzone data such as pressure, temperature of carrying out payzone; Although these completion methods achieve the output of each individual layer in multiple-zone production oil (gas) well is controlled, oil reservoir dynamic data monitor, but in or producing well that Multilateral Wells diversion is many many in the oil reservoir number of plies, accomplish successively to control and monitor, a lot of bar hydraulic line and a bars transmission line is often needed to be placed in the outside of flow string, enter under increasing tubing string, the difficulty of cross-layer packing, the cost of production added, technically also cannot obtain volume flow and the production fluid character (crude oil water containing height) of individual layer.The InCharge system of Bakeroiltools company is dependence driven by power advanced at first at present and the intelligent completion system of transmission, but switching sliding sleeve switch control rule and pressure, temperature pick up independence separately; Flow Measurement Apparatus is positioned over separately the wellbore location on payzone top, to measure corresponding section flow, the moisture height of individual layer then adopts temperature and flow parameter, carries out secondary data process acquisition; Although this method can obtain flow, temperature, pressure data, data dependence is poor, and especially often deviation is larger containing aquametry aspect for flow and production fluid.
Summary of the invention
The object of the invention is to solve the problem, devising the full intelligent well completion method of a kind of oil (gas) field producing well.
Realizing above-mentioned purpose technical scheme of the present invention is, the full intelligent well completion method of a kind of oil (gas) field producing well, the method comprises following content: in flow string, 1. arrange multiple cable hydraulic packer excessively, crosses cable hydraulic packer and all passes through the connection of full intelligent switch sliding sleeve for two of arbitrary neighborhood; 2. a power supply and signal cable is prepared, by above-mentioned flow string, inner or oil casing annular space G.I.H is equipped with contactless power supplies and also automatically locates with signal transducer position and dock, power supply is connected with all cables crossing cable hydraulic packer and full intelligent switch sliding sleeve with one end of signal cable, and the other end docks with signal transmission cable with the power supply stretching into flow string from ground; 3. cross in the process of cable hydraulic packer and full intelligent switch sliding sleeve in one end of power supply and signal cable through all, power supply and signal cable and all full intelligent switch sliding sleeves are electrically connected, and the data that all complete intelligent sliding sleeves record all are uploaded to ground by power supply and signal cable.
Described 1. in full intelligent switch sliding sleeve be made up of body 2, the top connection 1 being fixedly mounted on body 2 one end, the lower screw thread head 3 being fixedly mounted on body 2 other end, the through hole 12 being arranged on body 2 side surface and the full intelligent switch device be arranged in through hole 12 and detecting unit six part.
In described through hole 12, one end open place is provided with liquid pass hole plug 5, and other end opening part is provided with plug 4, described through hole 12 sidewall be provided be connected with body 2 oil-in.
Described full intelligent switch device is made up of the battery pack 6 be fixedly mounted in through hole 12, the control circuit 7 be electrically connected with battery pack 6, the direct driving motor 8 be electrically connected with control circuit 7, the push rod 9 be fixedly connected with direct driving motor 8 telescopic end and valve body 10 4 part that is fixedly connected with push rod 9 front end.
Described detecting unit is made up of cross liquid screen casing 15, the Venturi meter 11 be successively set in through hole 12, pressure sensor 14 and water rate inductor 13 4 part that are fixedly connected with liquid pass hole plug 5.
Described 2. middle contactless power supplies and signal transducer, be made up of urceolus and inner core two parts, urceolus connects lower electric power and signal cable, and the power supply that inner core enters under connecting the top later stage and signal cable, urceolus and inner core have spacing and automatic butt function.
The full intelligent well completion method of oil (gas) the field producing well utilizing technical scheme of the present invention to make, adopt electronic sensor, switch is overlapped in conjunction with without differential electric sliding, each sliding sleeve switch have pressure, temperature, flow and water rate downhole parameters measurement function, by the reed time controll of packing and ground oil (gas) well optimizing exploitation system between the layer (propping up) crossing cable hydraulic packer, realize individual layer (single branch) dynamic monitoring of multilayer (multiple-limb) oil well and individual layer without differential intelligentized control method.This security of system is reliable, simple to operation, hides recovery ratio for raising oil (gas), reduces cost of production and has very high economic benefit.
Accompanying drawing explanation
Fig. 1 is the structural representation of full intelligent switch sliding sleeve of the present invention;
In figure, 1, top connection; 2, body; 3, lower screw thread head; 4, plug; 5, liquid pass hole plug; 6, battery pack; 7, control circuit; 8, direct driving motor; 9, push rod; 10, valve body; 11, flow meter; 12, passage; 13, water rate inductor; 14, pressure sensor;
Fig. 2 is the full intelligent well completion structural representation of the continuous tubing string of oil (gas) well described in embodiment 1;
In figure, 1, full intelligent switch sliding sleeve; 2, cable hydraulic packer is crossed; 3, power supply and signal cable; 4, contactless power supplies and signal transducer; 5, production packer; 6, power supply and signal transmission cable; 7, oil pipe; 8, safety valve;
Fig. 3 is the full intelligent well completion structural representation of oil (gas) well oil tube tieback flow string described in embodiment 2;
In figure, 1, full intelligent switch sliding sleeve; 2, cable hydraulic packer is crossed; 3, power supply and signal cable; 4. contactless power supplies and signal transmitting apparatus; 5. producing can hanging packer; 6, oil tube tieback cylinder; 7, movable cable and signal cable; 8, oil pipe;
Fig. 4 is the complete intelligent complete structural representation of the discontinuous tubing string of oil (gas) well described in embodiment 3;
In figure, 1, full intelligent switch sliding sleeve; 2, cable hydraulic packer is crossed; 3, power supply and signal cable; 4, oil (cover) pipe; 5, hanger; 6, contactless power supplies and signal transmitting apparatus; 7, contactless power supplies and Signal transmissions joint; 8, Mobile power and signal cable; 9, electrical submersible pump assembly; 10, " Y " type joint; 11, oil pipe; 12, production packer; 13, safety valve.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is specifically described, as the structural representation that Fig. 1 is full intelligent switch sliding sleeve of the present invention, as shown in the figure, the full intelligent well completion method of a kind of oil (gas) field producing well, the method comprises following content: in flow string, 1. arrange multiple cable hydraulic packer excessively, crosses cable hydraulic packer and all passes through the connection of full intelligent switch sliding sleeve for two of arbitrary neighborhood; 2. a power supply and signal cable is prepared, by above-mentioned flow string, inner or oil casing annular space G.I.H is equipped with contactless power supplies and also automatically locates with signal transducer position and dock, power supply is connected with all cables crossing cable hydraulic packer and full intelligent switch sliding sleeve with one end of signal cable, and the other end docks with signal transmission cable with the power supply stretching into flow string from ground; 3. cross in the process of cable hydraulic packer and full intelligent switch sliding sleeve in one end of power supply and signal cable through all, power supply and signal cable and all full intelligent switch sliding sleeves are electrically connected, and the data that all complete intelligent sliding sleeves record all are uploaded to ground by power supply and signal cable.Wherein, described 1. in full intelligent switch sliding sleeve be made up of body 2, the top connection 1 being fixedly mounted on body 2 one end, the lower screw thread head 3 being fixedly mounted on body 2 other end, the through hole 12 being arranged on body 2 side surface and the full intelligent switch device be arranged in through hole 12 and detecting unit six part; In described through hole 12, one end open place is provided with liquid pass hole plug 5, and other end opening part is provided with plug 4, described through hole 12 sidewall be provided be connected with body 2 oil-in; Described full intelligent switch device is made up of the battery pack 6 be fixedly mounted in through hole 12, the control circuit 7 be electrically connected with battery pack 6, the direct driving motor 8 be electrically connected with control circuit 7, the push rod 9 be fixedly connected with direct driving motor 8 telescopic end and valve body 10 4 part that is fixedly connected with push rod 9 front end; Described detecting unit is by being that cross liquid screen casing 15, the Venturi meter 11 be successively set in through hole 12, pressure sensor 14 and water rate inductor 13 4 part by being fixedly connected with liquid pass hole plug 5 is formed; Described 2. middle contactless power supplies and signal transducer, be made up of urceolus and inner core two parts, urceolus connects lower electric power and signal cable, and the power supply that inner core enters under connecting the top later stage and signal cable, urceolus and inner core have spacing and automatic butt function.
The continuous tubing string of embodiment 1-oil (gas) well
As shown in Figure 2, will by 1. full intelligent switch sliding sleeves, 2. cross cable hydraulic packer, 3. power supply and signal cable, 4. contactless power supplies and signal transducer, 5. production packer, 6. power supply and signal transmission cable, 7. oil pipe, 8. the intelligent completion strings of safety valve composition transfers to the precalculated position of oil (gas) well; Well mouth oil pipe is suppressed, respectively the setting packer 2 for each payzone of packing; After the packer setting of packing payzone, setting production packer 5, whole flow string is in treats occurrence state.For being communicated with the intelligent switch sliding sleeve 1 of each payzone, artificial setup times and sequencing before can entering well by tubing string, follow procedure opens or closes the sliding sleeve of corresponding payzone respectively, now, corresponding payzone intelligent switch sliding sleeve is started working, automatically record the pressure of this layer, temperature, fluid volume and production fluid specific retention, these data are transferred to ground receiving equipment endlessly by signal transmssion line, and carry out data analysis and process by the computer of data terminal, intelligent switch sliding sleeve also can according to surface instruction, pass through instruction encoding, each intelligent switch sliding sleeve Push And Release (providing power by the motor of intelligent switch device) of real-time control, and the pressure of each intelligent sliding sleeve of real time record, temperature, the data such as the specific retention of fluid volume and production fluid, these data same also can be transferred to ground receiving equipment by signal transmssion line endlessly, and carry out data analysis and process by the computer of data terminal, the liquid production index of every layer can be obtained after explanation, the geologic parameter of each section, as pressure, permeability, pollution coefficient etc.Effect and the technical requirements of production packer 5, oil pipe 7 and safety valve 8 are identical with routine oil (gas) well flow string.
Embodiment 2
As shown in Figure 3, by 1. full intelligent switch sliding sleeves, 2. will cross cable hydraulic packer, 3. power supply and signal cable, 4. contactless power supplies and signal transmitting apparatus, 5. produces and the intelligent completion strings of hanging packer composition can transfer to the precalculated position of oil (gas) well; Well mouth oil pipe is suppressed, respectively the setting packer 2 for each payzone of packing; After the packer setting of packing payzone, setting production hanging packer 5 (can be produced and generally can be greater than the straight well well section of more than 75 ° down to net horizontal section or hole angle by hanging packer, be convenient to steel wire cable rountrip), after packer set completes, trip out tie-back sleeve more than 6 tubing string, so that the adjustment of later stage flow string; Under enter conventional flow string (oil pipe 8 and pipe column tools) after, power supply and signal cable are lowered in contactless power supplies and signal transmitting apparatus 4 by recycling testing vehicle, carry out upper and lower cable automatic butt, oil (gas) well is in treats occurrence state.For being communicated with the intelligent switch sliding sleeve 1 of each payzone, artificial setup times and sequencing before can entering well by tubing string, follow procedure opens or closes the sliding sleeve of corresponding payzone respectively, now, corresponding payzone intelligent switch sliding sleeve is started working, automatically record the pressure of this layer, temperature, fluid volume and production fluid specific retention, these data are transferred to ground receiving equipment endlessly by signal transmssion line, and carry out data analysis and process by the computer of data terminal, intelligent switch sliding sleeve also can according to surface instruction, pass through instruction encoding, each intelligent switch sliding sleeve Push And Release (providing power by the motor of intelligent switch device) of real-time control, and the pressure of each intelligent sliding sleeve of real time record, temperature, the data such as the specific retention of fluid volume and production fluid, these data same also can be transferred to ground receiving equipment by signal transmssion line endlessly, and carry out data analysis and process by the computer of data terminal, the liquid production index of every layer can be obtained after explanation, the geologic parameter of each section, as pressure, permeability, pollution coefficient etc.This tubing string can remove top safety valve, when needing full well shutting in, successively closes intelligent switch sliding sleeve; Underground intelligent switch sliding sleeve can use energy storage battery as motor power, when hierarchical control and data recording, can provisional under enter power supply and signal cable, carry out the admission of data in battery charging and switching sliding sleeve holder.
Embodiment 3
As shown in Figure 4, first by 1. full intelligent switch sliding sleeves, 2. will cross cable hydraulic packer, 3. power supply and signal cable with oil pipe or drilling tool, 4. oil (cover) pipe, 5. the intelligent completion strings of hanger composition transfers to the precalculated position of oil (gas) well, well mouth oil pipe is suppressed, respectively the setting packer 2 for each payzone of packing, after the packer setting of packing payzone, (hanger is generally greater than the straight well well section of more than 75 ° to setting hanger 5 down to net horizontal section or hole angle, be convenient to steel wire cable rountrip), after the setting suspension of hanger completes, trip out top tubing string (give up and slip out of the hand), under enter conventional electric pump flow string, open pump examination to take out, after electric pump is working properly, power supply and signal cable are lowered into (by cable sealer bottom electric pump " Y " joint 10 and electric pump pipe column) in contactless power supplies and signal transmitting apparatus 6 and carry out upper and lower cable automatic butt by recycling testing vehicle, for being communicated with the intelligent switch sliding sleeve 1 of each payzone, artificial setup times and sequencing before can entering well by tubing string, follow procedure opens or closes the sliding sleeve of corresponding payzone respectively, now, corresponding payzone intelligent switch sliding sleeve is started working, automatically the pressure of this layer is recorded, temperature, fluid volume and production fluid specific retention, these data are transferred to ground receiving equipment endlessly by signal transmssion line, and carry out data analysis and process by the computer of data terminal, intelligent switch sliding sleeve also can according to surface instruction, pass through instruction encoding, each intelligent switch sliding sleeve Push And Release (providing power by the motor of intelligent switch device) of real-time control, and the pressure of each intelligent sliding sleeve of real time record, temperature, the data such as the specific retention of fluid volume and production fluid, these data same also can be transferred to ground receiving equipment by signal transmssion line endlessly, and carry out data analysis and process by the computer of data terminal, the liquid production index of every layer can be obtained after explanation, the geologic parameter of each section, as pressure, permeability, pollution coefficient etc.This tubing string can remove top safety valve, when needing full well shutting in, successively closes intelligent switch sliding sleeve; Underground intelligent switch sliding sleeve can use energy storage battery as motor power, when hierarchical control and data recording, can provisional under enter power supply and signal cable, carry out the admission of data in battery charging and switching sliding sleeve holder.Electrical submersible pump assembly 9, " Y " type joint 10, oil pipe 11, production packer 12 is identical with the effect of conventional electric pump well tubing string with safety valve 13.
Technique scheme only embodies the optimal technical scheme of technical solution of the present invention, and those skilled in the art all embody principle of the present invention to some variations that wherein some part may be made, and belong within protection scope of the present invention.
Claims (6)
1. a full intelligent well completion method for oil (gas) field producing well, it is characterized in that, the method comprises following content:
1. multiple cable hydraulic packer is excessively set in flow string, crosses cable hydraulic packer and all pass through the connection of full intelligent switch sliding sleeve for two of arbitrary neighborhood;
2. a power supply and signal cable is prepared, by above-mentioned flow string, inner or oil casing annular space G.I.H is equipped with contactless power supplies and also automatically locates with signal transducer position and dock, power supply is connected with all cables crossing cable hydraulic packer and full intelligent switch sliding sleeve with one end of signal cable, and the other end docks with signal transmission cable with the power supply stretching into flow string from ground;
3. cross in the process of cable hydraulic packer and full intelligent switch sliding sleeve in one end of power supply and signal cable through all, power supply and signal cable and all full intelligent switch sliding sleeves are electrically connected, and the data that all complete intelligent sliding sleeves record all are uploaded to ground by power supply and signal cable.
2. the full intelligent well completion method of oil according to claim 1 (gas) field producing well, it is characterized in that, described 1. in full intelligent switch sliding sleeve be made up of body (2), the top connection (1) being fixedly mounted on body (2) one end, the lower screw thread head (3) being fixedly mounted on body (2) other end, the through hole (12) being arranged on body (2) side surface and the full intelligent switch device be arranged in through hole (12) and detecting unit six part.
3. the full intelligent well completion method of oil according to claim 2 (gas) field producing well, it is characterized in that, the interior one end open place of described through hole (12) is provided with liquid pass hole plug (5), other end opening part is provided with plug (4), described through hole (12) sidewall be provided be connected with body (2) oil-in.
4. the full intelligent well completion method of oil according to claim 2 (gas) field producing well, it is characterized in that, described full intelligent switch device is made up of the battery pack (6) be fixedly mounted in through hole (12), the control circuit (7) be electrically connected with battery pack (6), the direct driving motor (8) be electrically connected with control circuit (7), the push rod (9) be fixedly connected with direct driving motor (8) telescopic end and valve body (10) four part that is fixedly connected with push rod (9) front end.
5. the full intelligent well completion method of oil according to claim 2 (gas) field producing well, it is characterized in that, described detecting unit is made up of cross liquid screen casing (15), the Venturi meter (11) be successively set in through hole (12), pressure sensor (14) and water rate inductor (13) four part that are fixedly connected with liquid pass hole plug (5).
6. the full intelligent well completion method of oil according to claim 1 (gas) field producing well, it is characterized in that, described 2. middle contactless power supplies and signal transducer, be made up of urceolus and inner core two parts, urceolus connects lower electric power and signal cable, the power supply that inner core enters under connecting the top later stage and signal cable, urceolus and inner core have spacing and automatic butt function.
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Cited By (6)
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| CN105422058A (en) * | 2015-12-25 | 2016-03-23 | 中国海洋石油总公司 | Release type current-adjustable layering mining method for horizontal well |
| CN105696973A (en) * | 2016-03-07 | 2016-06-22 | 大庆市福万通石油科技有限公司 | Underground plug valve with electric power wirelessly controlled and capable of being opened and closed repeatedly |
| CN111090947A (en) * | 2019-12-27 | 2020-05-01 | 西安石油大学 | Intelligent well completion flow simulation method based on point-bridge topological structure |
| CN111963121A (en) * | 2019-05-20 | 2020-11-20 | 中国石油天然气股份有限公司 | Horizontal well injection and production method and system |
| CN113738332A (en) * | 2021-10-12 | 2021-12-03 | 李启国 | Horizontal well fracturing device and fracturing method |
| CN114458222A (en) * | 2022-02-15 | 2022-05-10 | 大庆长垣能源科技有限公司 | Oil gas engineering integration well completion system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422058A (en) * | 2015-12-25 | 2016-03-23 | 中国海洋石油总公司 | Release type current-adjustable layering mining method for horizontal well |
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| CN105696973A (en) * | 2016-03-07 | 2016-06-22 | 大庆市福万通石油科技有限公司 | Underground plug valve with electric power wirelessly controlled and capable of being opened and closed repeatedly |
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| CN111963121A (en) * | 2019-05-20 | 2020-11-20 | 中国石油天然气股份有限公司 | Horizontal well injection and production method and system |
| CN111090947A (en) * | 2019-12-27 | 2020-05-01 | 西安石油大学 | Intelligent well completion flow simulation method based on point-bridge topological structure |
| CN113738332A (en) * | 2021-10-12 | 2021-12-03 | 李启国 | Horizontal well fracturing device and fracturing method |
| CN114458222A (en) * | 2022-02-15 | 2022-05-10 | 大庆长垣能源科技有限公司 | Oil gas engineering integration well completion system |
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