CA2167491A1 - Safeguarded method and apparatus for fluid communication using coiled tubing, with application to drill stem testing - Google Patents

Safeguarded method and apparatus for fluid communication using coiled tubing, with application to drill stem testing

Info

Publication number
CA2167491A1
CA2167491A1 CA002167491A CA2167491A CA2167491A1 CA 2167491 A1 CA2167491 A1 CA 2167491A1 CA 002167491 A CA002167491 A CA 002167491A CA 2167491 A CA2167491 A CA 2167491A CA 2167491 A1 CA2167491 A1 CA 2167491A1
Authority
CA
Canada
Prior art keywords
coiled tubing
fluid communication
drill stem
application
stem testing
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
CA002167491A
Other languages
French (fr)
Other versions
CA2167491C (en
Inventor
John G. Misselbrook
David E. Sask
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.)
Nowsco Well Service Ltd
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CA002485840A priority Critical patent/CA2485840C/en
Publication of CA2167491A1 publication Critical patent/CA2167491A1/en
Application granted granted Critical
Publication of CA2167491C publication Critical patent/CA2167491C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/20—Flexible or articulated drilling pipes, e.g. flexible or articulated rods, pipes or cables
    • E21B17/206—Flexible or articulated drilling pipes, e.g. flexible or articulated rods, pipes or cables with conductors, e.g. electrical, optical
    • 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/20—Flexible or articulated drilling pipes, e.g. flexible or articulated rods, pipes or cables
    • E21B17/203—Flexible or articulated drilling pipes, e.g. flexible or articulated rods, pipes or cables with plural fluid passages
    • 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
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/22—Handling reeled pipe or rod units, e.g. flexible drilling pipes
    • 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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/12—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using drilling pipes with plural fluid passages, e.g. closed circulation systems
    • 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
    • E21B33/10—Sealing or packing boreholes or wells in the borehole
    • E21B33/12—Packers; Plugs
    • E21B33/124—Units with longitudinally-spaced plugs for isolating the intermediate space
    • E21B33/1243—Units with longitudinally-spaced plugs for isolating the intermediate space with inflatable sleeves
    • 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
    • E21B34/00—Valve arrangements for boreholes or wells
    • E21B34/06—Valve arrangements for boreholes or wells in wells
    • E21B34/066—Valve arrangements for boreholes or wells in wells electrically actuated
    • 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
    • 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
    • E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
    • E21B49/008—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells by injection test; by analysing pressure variations in an injection or production test, e.g. for estimating the skin factor
    • 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
    • E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
    • E21B49/08—Obtaining fluid samples or testing fluids, in boreholes or wells
    • 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
    • E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
    • E21B49/08—Obtaining fluid samples or testing fluids, in boreholes or wells
    • E21B49/087—Well testing, e.g. testing for reservoir productivity or formation parameters

Abstract

A safeguarded method and apparatus for providing fluid communication with coiled tubing, said coiled tubing comprising more particularly coiled-in-coiled tubing, having a inner tube and an outer tube, and including multicentric coiled-in-coiled tubing and its method of assembly, the safeguarded method having particular applicability to drill stem testing.
CA002167491A 1995-07-25 1995-07-25 Safeguarded method and apparatus for fluid communication using coiled tubing, with application to drill stem testing Expired - Lifetime CA2167491C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA002485840A CA2485840C (en) 1995-07-25 1995-07-25 Safeguarded method and apparatus for fluid communication using coiled tubing, with application to drill stem testing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1995/010007 WO1997005361A1 (en) 1995-07-25 1995-07-25 Safeguarded method and apparatus for fluid communication using coiled tubing, with application to drill stem testing

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA002485840A Division CA2485840C (en) 1995-07-25 1995-07-25 Safeguarded method and apparatus for fluid communication using coiled tubing, with application to drill stem testing

Publications (2)

Publication Number Publication Date
CA2167491A1 true CA2167491A1 (en) 1997-01-26
CA2167491C CA2167491C (en) 2005-02-22

Family

ID=22249614

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002167491A Expired - Lifetime CA2167491C (en) 1995-07-25 1995-07-25 Safeguarded method and apparatus for fluid communication using coiled tubing, with application to drill stem testing

Country Status (7)

Country Link
US (2) US5638904A (en)
EP (2) EP0839255B1 (en)
AU (1) AU3277495A (en)
CA (1) CA2167491C (en)
DE (1) DE69531747D1 (en)
NO (1) NO317032B1 (en)
WO (1) WO1997005361A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
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US6527050B1 (en) 2000-07-31 2003-03-04 David Sask Method and apparatus for formation damage removal
US8490702B2 (en) 2010-02-18 2013-07-23 Ncs Oilfield Services Canada Inc. Downhole tool assembly with debris relief, and method for using same
CN110454148A (en) * 2019-08-07 2019-11-15 中国石油集团川庆钻探工程有限公司 Coiled tubing logger with circulation canal
CN114837616A (en) * 2022-06-10 2022-08-02 西南石油大学 Heating device for prevent oil production well oil pipe wax deposition

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EP0839255A4 (en) 2000-01-05
CA2167491C (en) 2005-02-22
EP1233143A1 (en) 2002-08-21
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AU3277495A (en) 1997-02-26
US5638904A (en) 1997-06-17
WO1997005361A1 (en) 1997-02-13
EP0839255B1 (en) 2003-09-10
EP1233143B1 (en) 2006-10-11
NO980295L (en) 1998-03-10
US6497290B1 (en) 2002-12-24
EP0839255A1 (en) 1998-05-06
DE69531747D1 (en) 2003-10-16

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