(54) METHOD AND SYSTEM FOR CEMENT LINING A WELLBORE
(75) Inventors: Rogerio Tadeu Ramos, Bethel, CT
(US); Christian Besson, Moscow (RU);
Andrew Hunt, Dorset (GB)
(73) Assignee: Schlumberger Technology
Corporation, Ridgefield, CT (US)
( * ) Notice: Subject to any disclaimer, the term ol this patent is extended or adjusted under 35 U.S.C. 154(b) by 670 days.
(21) Appl. No.: 09/949,233
(22) Filed: Sep. 8, 2001
(65) Prior Publication Data
US 2004/0180793 Al Sep. 16, 2004
(30) Foreign Application Priority Data
Sep. 9, 2000 (GB) 0022151
(51) Int. CI.
E21B 28/00 (2006.01)
E21B 33/14 (2006.01)
E21B 37/02 (2006.01)
(52) U.S. CI 166/286; 166/173; 166/177.2;
166/177.6; 166/249; 166/250.1; 166/250.14
(58) Field of Classification Search 166/285,
166/286, 288, 250.01, 253.1, 250.11, 250.14, 166/250.1, 66, 249, 170, 173, 177.1, 177.2, 166/177.4, 77.6, 177.7, 242.9, 297, 298, 166/55, 55.1, 55.2, 55.3,177.6 See application file for complete search history.
(56) References Cited
U.S. PATENT DOCUMENTS
2,813,584 A * 11/1957 Teplitz 166/264