CA2580177A1 - Rotating control head radial seal protection and leak detection systems - Google Patents

Rotating control head radial seal protection and leak detection systems Download PDF

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Publication number
CA2580177A1
CA2580177A1 CA002580177A CA2580177A CA2580177A1 CA 2580177 A1 CA2580177 A1 CA 2580177A1 CA 002580177 A CA002580177 A CA 002580177A CA 2580177 A CA2580177 A CA 2580177A CA 2580177 A1 CA2580177 A1 CA 2580177A1
Authority
CA
Canada
Prior art keywords
fluid
seal
value
measured
flow
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002580177A
Other languages
French (fr)
Other versions
CA2580177C (en
Inventor
Thomas F. Bailey
James W. Chambers
Don M. Hannegan
Mark F. Gravouia
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Weatherford Lamb Inc
Original Assignee
Weatherford Lamb Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Weatherford Lamb Inc filed Critical Weatherford Lamb Inc
Priority to CA2756090A priority Critical patent/CA2756090C/en
Priority to CA2729427A priority patent/CA2729427C/en
Priority to CA2756093A priority patent/CA2756093C/en
Publication of CA2580177A1 publication Critical patent/CA2580177A1/en
Application granted granted Critical
Publication of CA2580177C publication Critical patent/CA2580177C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/02—Surface sealing or packing
    • E21B33/08—Wipers; Oil savers
    • E21B33/085—Rotatable packing means, e.g. rotating blow-out preventers
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B36/00—Heating, cooling, insulating arrangements for boreholes or wells, e.g. for use in permafrost zones
    • E21B36/001—Cooling arrangements
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/10—Locating fluid leaks, intrusions or movements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • F16J15/324—Arrangements for lubrication or cooling of the sealing itself
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K41/00—Spindle sealings
    • F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
    • F16K41/04—Spindle sealings with stuffing-box ; Sealing rings with at least one ring of rubber or like material between spindle and housing
    • F16K41/043—Spindle sealings with stuffing-box ; Sealing rings with at least one ring of rubber or like material between spindle and housing for spindles which only rotate, i.e. non-rising spindles
    • F16K41/046—Spindle sealings with stuffing-box ; Sealing rings with at least one ring of rubber or like material between spindle and housing for spindles which only rotate, i.e. non-rising spindles for rotating valves

Abstract

A system and method for reducing repairs to radial seals used in a rotating control head used while drilling is disclosed. Also, a system and method to detect leaks in the rotating control head and a latching system to latch the rotating control head to a housing is disclosed.

Claims (59)

1. A thermal transfer system adapted for use with a rotating control head, comprising:
a first member movable relative to a second member;
one of the members having a thermal transfer surface;
a first seal positioned with one of the members for sealing the first member and the second member while the first member moves relative to the second member;
a thermal transfer fluid circulated with at least one of the members; and the thermal transfer surface transferring thermal units through multiple passes of the thermal transfer fluid adjacent the terminal transfer surface.
2. The system of claim 1 further comprising:
the thermal transfer surface comprises a surface of a seal carrier;
the seal carrier disposed with one of the members; and the first seal positioned with the seal carrier for sealing the first member with the second member while the first member moves relative to the second member.
3. The system of claim 1, wherein the multiple passes comprise:
a spiral slot formed on one of the members adjacent the thermal transfer surface.
4. The system of claim 2, wherein the multiple passes comprise:
a spiral slot formed on one of the members adjacent the thermal transfer surface.
5. The system of claim 3 wherein the spiral slot provides a continuous flow passageway for the thermal transfer fluid.
6. The system of claim 4 wherein the spiral slot provides a continuous flow passageway for the thermal transfer fluid.
7. The system of claim 1 further comprising:

at least one bearing provided between the first member and the second member.
8. The system of claim 7 wherein the thermal transfer fluid is pressurized and communicates with the bearing.
9. The system of claim I wherein the thermal transfer fluid is an unctuous combustible substance that is at least liquefiable on warming.
10. The system of claim 7 further comprising a tubular wherein one of the members having a bore sized to receive the tubular.
11. The system of claim 7 wherein the at least one bearing comprising:
a radial bearing, and a thrust bearing.
12. The system of claim I further comprising a port formed in one of the members to communicate with the first seal and to regulate the pressure of the fluid on the first seal.
13. The system of claim 1 further comprising a second seal positioned with one of the members and for sealing the first member and the second member.
14. The system of claim 13 further comprising a port formed in one of the members to communicate with the first seal and the second seal and to regulate the pressure of the fluid between the fist seal and the second seal.
15. The system of claim 13 further comprising the first seal allowing a first predetermined flow of the thermal transfer fluid to pass by the first seal, and the second seal allowing a second predetermined flow of the thermal transfer fluid to pass by the second seal and the second predetermined flow is greater than the first predetermined flow.
16. The system of claim 13 wherein one of the seals allows flow of fluid at a first predetermined pressure and the other seal allows flow of fluid at a second predetermined pressure, due first predetermined pressure is higher than the second predetermined pressure.
17. The system of claim 2 further comprising a port formed in the seal carrier to communicate with the first seal and to regulate the pressure of the fluid on the first seal.
18. The system of claim 2 further comprising a second seal positioned with the seal carrier and for sealing the first member and the second member.
19. The system of claim 18 further comprising a port formed in the seal carrier to communicate with the first seal and the second seal and to regulate the pressure of the fluid between the first seal and the second seal.
20. The system of claim 18 further comprising the first seal allowing a first predetermined flow of the thermal transfer fluid to pass by the first seal, and the second seal allowing a second predetermined flow of the thermal transfer fluid to pass by the second seal and the second predetermined flow is greater than the first predetermined flow.
21. The system of claim 18 wherein one of the seals allows flow of fluid at a first predetermined pressure and the other seal allows flow of fluid at a second predetermined pressure, the first predetermined pressure is higher than the second predetermined pressure.
22. A system adapted for use with a rotating control head, comprising:
a first member movable relative to a second member;
a fluid circulated with at least one of the members;
a first seal positioned with one of the members for providing a predetermined flow value of the fluid between the first member and the second member; and a port formed in one of the members, the port communicating with the first seal to regulate the fluid flowing by the first seal.
23. The system of claim 22 further comprising a second seal positioned with the first member and the second member, wherein one of the seals allows flow of fluid at a first predetermined pressure and the other seal allows flow of fluid at a second predetermined pressure.
24. The system of claim 22 further comprising a second seal positioned with the first member and the second member, wherein the first seal allowing a first predetermined flow of the fluid to pass by the first seal, and the second seal allowing a second predetermined flow of the fluid to pass by the second seal and the second predetermined flow is different than the first predetermined flow.
25. A thermal transfer system adapted for use with a rotating control head, comprising:
a first member movable relative to a second member;
one of the members having a thermal transfer surface;
a first seal positioned with one of the members for sealing the first member with the second member while the first member moves relative to the second member;
a second seal positioned with one of the members for sealing the first member with the second member wherein the first seal allows flow of fluid at a first predetermined pressure and the second seal allows flow of fluid at a second predetermined pressure different than the first predetermined pressure;
a thermal transfer fluid circulated with at least one of the members; and the thermal transfer surface transferring thermal units through multiple passes of the thermal transfer fluid adjacent the thermal transfer surface.
26. The system of claim 25, wherein the multiple passes comprises a spiral slot formed on one of the members adjacent the thermal transfer surface.
27. A method for cooling a first radial seal in a rotating control head, comprising:
passing a cooling medium through the rotating control head with multiple passes adjacent to the first radial seal; and regulating the pressure of the cooling medium on the first radial seal.
28. The method of claim 27, further comprising the step of:
spiraling the cooling medium about the first radial seal in the rotating control head.
29. The method of claim 27, wherein the cooling medium is an unctuous combustible substance that is at least liquefiable on warming.
30. The method of claim 27 further comprising a second radial seal and further comprising the step of sealing between a first member that moves relative to the second member in the rotating control head with the first radial seal and the second radial seal.
31. The method of claim 30 further comprising the step of regulating the pressure between the first radial seal and the second radial seal.
32. The method of claim 30 further comprising the step of:
allowing flow of fluid past the second radial seal at a higher rate than the flow of fluid past the first radial seal.
33. A system, comprising:
a. latch assembly comprising a first piston movable between a latched position and an unlatched position;
a comparator configured to compare a fluid value moving to and from the latch assembly; and wherein the latch assembly is remotely actuatable.
34. The system of claim 33, further comprising:
a rotating control head, wherein the rotating control head is latched to the latch assembly when the first piston is in the latched position.
35. The system of claim 34, the latch assembly further comprising:
a housing forming a chamber, wherein the first piston is positioned within the chamber.
36. The system of claim 33, wherein the first piston is hydraulically actuated by the fluid to move between the latched position and the unlatched position.
37. The system of claim 33, further comprising:
a first fluid line operatively connected to the latch assembly for delivering the fluid to the latch assembly;

a first meter coupled to the first fluid line, the first meter measuring a first fluid volume value for fluid delivered to the latch assembly;
a second fluid line operatively connected to the latch assembly for communicating the fluid from the latch assembly;
a second meter coupled to the second fluid line, the second meter measuring a second fluid volume value for fluid from the latch assembly;
the comparator configured to compare the measured first fluid volume value to the measured second fluid volume value; and a display coupled to the comparator.
38. The system of claim 37, wherein the display indicates the results of the comparison of the measured first fluid volume value relative to the measured second fluid volume value.
39. The system of claim 37, the display comprising a text message.
40. A comparator system for use with a latching assembly to latch a rotating control head, comprising:
a first fluid line operatively connected to the latch assembly for delivering a fluid to the latch assembly;
a first meter coupled to the first line, the first meter measuring a first fluid value for fluid delivered to the latch assembly;
a second fluid line operatively connected to the latch assembly for communicating the fluid from the latch assembly;
a second meter coupled to the second fluid line, the second meter measuring a second fluid value for fluid from the latch assembly;
a comparator configured to compare the measured first fluid value to the second fluid value; and a display coupled to the comparator.
41. The system of claim 40, wherein the display indicates the results of the comparison of the first measured fluid value to the second fluid value.
42. A comparator system for use with a bearing assembly of a rotating control head, comprising:
a first fluid line operatively coupled to communicate fluid to a chamber defined by the bearing assembly;
a first meter coupled to the first fluid line, the first meter measuring a first fluid value;
a second fluid line operatively coupled to communicate fluid from the chamber defined by the bearing assembly;
a second meter coupled to the second fluid line, the second meter measuring a second fluid value;
a comparator, coupled to the first meter and the second meter, configured to compare the measured first fluid value to the measured second fluid value; and a display coupled to the comparator.
43. The system of claim 42, wherein the measured first fluid value is a measured fluid volume value for fluid delivered to the chamber, and wherein the measured second fluid value is a measured second fluid volume value.
44. The system of claim 43, wherein the results of the compared measured first fluid volume value and the measured second fluid volume value is displayed on the display.
45. The system of claim 42, wherein the measured first fluid value is a measured fluid flow rate value, and wherein the measured second fluid value is a measured second fluid flow rate value.
46. The system of claim 42, wherein the display indicates a text message resulting from the compared measured first fluid value to the measured second fluid value.
47. A system, comprising:
a rotating control head;
a latch assembly, latchable to the rotating control head, comprising:
a retainer member, radially movable between an unlatched position and a latched position, the retainer member latched with the rotating control head in the latched position;
and a piston having a first side and a second side, movable between a first position and a second position, the piston urging the retainer member to move to the latched position when the piston is in the first position and the first piston allowing the retainer member to move to the unlatched position when the piston is in the second position;
a comparator system, remotely coupled to the latch assembly, comprising:
a first fluid line operatively coupled to communicate fluid to a chamber for receiving the piston;
a first meter coupled to. the first fluid line, the first meter measuring a first fluid value;
a second fluid line operatively coupled to communicate fluid from the chamber for receiving the piston;
a second meter coupled to the second fluid line, the second meter measuring a second fluid value;
a comparator, coupled to the first meter and the second meter, configured to compare the measured first fluid value to the measured second fluid value; and a display coupled to the comparator.
48. The system of claim 47, wherein the measured first fluid value is a measured fluid volume value for fluid delivered to the chamber on one side of the piston, and the measured second fluid value is a measured fluid volume value for fluid from the chamber on the other side of the piston.
49. The system of claim 48, wherein the compared measured first fluid volume value and, the measured second fluid volume value is displayed on the display.
50. The system of claim 47, wherein the first measured first fluid value is a measured fluid flow rate value, and the measured second fluid value is a measured second fluid flow rate value.
51. A method for comparing fluid to and from a latch assembly for latching a rotating control head, comprising the steps of:
delivering a fluid to a first side of a piston for moving the piston from a first position to a second position;
measuring a volume of fluid delivered to the first side of the piston producing a measured first fluid volume value;
communicating the fluid from a second side of the piston;
measuring a volume of fluid from the second side of the piston producing a measured second fluid volume value; and comparing the measured first fluid volume value to a measured second fluid volume value.
52. The method of claim 51, the steps of measuring a volume of fluid comprising:
measuring the fluid with a totalizing flow meter;
reading the totalizing flow meter, producing the measured fluid volume value.
53. A method for use of a rotating control head having a bearing assembly, comprising the steps of:
positioning a chamber in the bearing assembly;
forming a first opening into the chamber;
forming a second opening into the chamber;
delivering a fluid to the first opening;
communicating the fluid from the second opening;
measuring a flow value of the fluid to the first opening;
measuring a flow value of the fluid from the second opening; and comparing the measured flow value to the first opening to the measured flow value from the second opening.
54. The method of claim 53, the steps of measuring a flow value of the fluid to the first opening comprising:
measuring the flow rate to the first opening with a first flow meter; and reading the first flow meter and producing a measured first flow rate value.
55. The method of claim 54, the step of measuring a flow value of the fluid to the first opening comprising:
measuring the flow rate from the second opening with a first flow meter; and reading the first flow meter and producing a measured first flow rate value.
56. The method of claim 55, further comprising the steps of comparing the measured first flow rate value to the first opening to the measured second flow rate from the second opening.
57. The method of claim 53, the step of measuring a flow value of the fluid to the first opening comprising:
measuring the flow volume with a first flow meter; and reading the first flow meter and producing a measured first flow volume value.
58. The method of claim 57, the step of measuring a flow value of the fluid from the second opening comprising:
measuring the flow volume with a second flow meter; and reading the second flow meter and producing a measured second flow volume value.
59. The method of claim 58, further comprising the step of comparing the measured first flow volume value to the measured second flow volume.
CA2580177A 2006-03-02 2007-03-02 Rotating control head radial seal protection and leak detection systems Expired - Fee Related CA2580177C (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CA2756090A CA2756090C (en) 2006-03-02 2007-03-02 Rotating control head radial seal protection and leak detection systems
CA2729427A CA2729427C (en) 2006-03-02 2007-03-02 Rotating control head radial seal protection and leak detection systems
CA2756093A CA2756093C (en) 2006-03-02 2007-03-02 Rotating control head radial seal protection and leak detection systems

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/366,078 US7836946B2 (en) 2002-10-31 2006-03-02 Rotating control head radial seal protection and leak detection systems
US11/366,078 2006-03-02

Related Child Applications (3)

Application Number Title Priority Date Filing Date
CA2756093A Division CA2756093C (en) 2006-03-02 2007-03-02 Rotating control head radial seal protection and leak detection systems
CA2756090A Division CA2756090C (en) 2006-03-02 2007-03-02 Rotating control head radial seal protection and leak detection systems
CA2729427A Division CA2729427C (en) 2006-03-02 2007-03-02 Rotating control head radial seal protection and leak detection systems

Publications (2)

Publication Number Publication Date
CA2580177A1 true CA2580177A1 (en) 2007-09-02
CA2580177C CA2580177C (en) 2012-01-03

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CA2756093A Expired - Fee Related CA2756093C (en) 2006-03-02 2007-03-02 Rotating control head radial seal protection and leak detection systems
CA2580177A Expired - Fee Related CA2580177C (en) 2006-03-02 2007-03-02 Rotating control head radial seal protection and leak detection systems
CA2756090A Expired - Fee Related CA2756090C (en) 2006-03-02 2007-03-02 Rotating control head radial seal protection and leak detection systems
CA2729427A Expired - Fee Related CA2729427C (en) 2006-03-02 2007-03-02 Rotating control head radial seal protection and leak detection systems

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CA2756093A Expired - Fee Related CA2756093C (en) 2006-03-02 2007-03-02 Rotating control head radial seal protection and leak detection systems

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CA2756090A Expired - Fee Related CA2756090C (en) 2006-03-02 2007-03-02 Rotating control head radial seal protection and leak detection systems
CA2729427A Expired - Fee Related CA2729427C (en) 2006-03-02 2007-03-02 Rotating control head radial seal protection and leak detection systems

Country Status (4)

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US (5) US7836946B2 (en)
EP (4) EP2639400B1 (en)
CA (4) CA2756093C (en)
NO (2) NO340338B1 (en)

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CA2756093C (en) 2014-05-13
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EP1830034A3 (en) 2007-11-07
US8113291B2 (en) 2012-02-14
US20120138366A1 (en) 2012-06-07
CA2729427A1 (en) 2007-09-02
EP2636841B1 (en) 2015-07-22
US8714240B2 (en) 2014-05-06
CA2729427C (en) 2013-09-10
CA2580177C (en) 2012-01-03
US7836946B2 (en) 2010-11-23
NO20071181L (en) 2007-09-03
US20060144622A1 (en) 2006-07-06
US8353337B2 (en) 2013-01-15
EP2636841A1 (en) 2013-09-11
CA2756090C (en) 2014-06-10
CA2756090A1 (en) 2007-09-02
US7934545B2 (en) 2011-05-03
US20110036629A1 (en) 2011-02-17
EP2639400A1 (en) 2013-09-18
US20110168382A1 (en) 2011-07-14
EP2631419A1 (en) 2013-08-28
EP2639400B1 (en) 2018-12-12
NO340338B1 (en) 2017-04-03
US20130192896A1 (en) 2013-08-01
CA2756093A1 (en) 2007-09-02

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