GB0005746D0 - Method and apparatus enhanced acoustic mud pulse telemetry during underbalanced drilling - Google Patents

Method and apparatus enhanced acoustic mud pulse telemetry during underbalanced drilling

Info

Publication number
GB0005746D0
GB0005746D0 GBGB0005746.3A GB0005746A GB0005746D0 GB 0005746 D0 GB0005746 D0 GB 0005746D0 GB 0005746 A GB0005746 A GB 0005746A GB 0005746 D0 GB0005746 D0 GB 0005746D0
Authority
GB
United Kingdom
Prior art keywords
mud pulse
pulse telemetry
underbalanced drilling
enhanced acoustic
telemetry during
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.)
Ceased
Application number
GBGB0005746.3A
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.)
Gemalto Terminals Ltd
Schlumberger Holdings Ltd
Original Assignee
Gemalto Terminals Ltd
Schlumberger Holdings Ltd
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 Gemalto Terminals Ltd, Schlumberger Holdings Ltd filed Critical Gemalto Terminals Ltd
Priority to GBGB0005746.3A priority Critical patent/GB0005746D0/en
Publication of GB0005746D0 publication Critical patent/GB0005746D0/en
Priority to GB0210840A priority patent/GB2371582B/en
Priority to GB0014031A priority patent/GB2360053B/en
Priority to PCT/GB2001/001004 priority patent/WO2001066911A1/en
Priority to AU2001237595A priority patent/AU2001237595A1/en
Priority to EA200200962A priority patent/EA004467B1/en
Priority to US10/203,366 priority patent/US7138929B2/en
Priority to AU2001237615A priority patent/AU2001237615A1/en
Priority to PCT/GB2001/001034 priority patent/WO2001066912A1/en
Priority to US10/203,367 priority patent/US7123161B2/en
Priority to NO20024294A priority patent/NO323266B1/en
Priority to NO20062301A priority patent/NO335412B1/en
Ceased 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
    • E21B47/00—Survey of boreholes or wells
    • E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
    • E21B47/14—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves
    • E21B47/18—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves through the well fluid, e.g. mud pressure pulse telemetry
    • 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
    • E21B21/08—Controlling or monitoring pressure or flow of drilling fluid, e.g. automatic filling of boreholes, automatic control of bottom pressure
    • E21B21/085—Underbalanced techniques, i.e. where borehole fluid pressure is below formation pressure
GBGB0005746.3A 2000-03-10 2000-03-10 Method and apparatus enhanced acoustic mud pulse telemetry during underbalanced drilling Ceased GB0005746D0 (en)

Priority Applications (12)

Application Number Priority Date Filing Date Title
GBGB0005746.3A GB0005746D0 (en) 2000-03-10 2000-03-10 Method and apparatus enhanced acoustic mud pulse telemetry during underbalanced drilling
GB0210840A GB2371582B (en) 2000-03-10 2000-06-09 Method and apparatus enhanced acoustic mud impulse telemetry during underbalanced drilling
GB0014031A GB2360053B (en) 2000-03-10 2000-06-09 Method and apparatus enhanced acoustic mud pulse telemetry during underbalanced drilling
US10/203,366 US7138929B2 (en) 2000-03-10 2001-03-08 Method and apparatus for enhanced acoustic mud pulse telemetry during underbalanced drilling
AU2001237595A AU2001237595A1 (en) 2000-03-10 2001-03-08 Method and apparatus for enhanced acoustic mud pulse telemetry during underbalanced drilling
PCT/GB2001/001004 WO2001066911A1 (en) 2000-03-10 2001-03-08 Method and apparatus for enhanced acoustic mud pulse telemetry during underbalanced drilling
EA200200962A EA004467B1 (en) 2000-03-10 2001-03-08 Method and apparatus for acoustic telemetry in a borehole
AU2001237615A AU2001237615A1 (en) 2000-03-10 2001-03-09 Method and apparatus enhanced acoustic mud pulse telemetry
PCT/GB2001/001034 WO2001066912A1 (en) 2000-03-10 2001-03-09 Method and apparatus enhanced acoustic mud pulse telemetry
US10/203,367 US7123161B2 (en) 2000-03-10 2001-03-09 Method and apparatus enhanced acoustic mud pulse telemetry
NO20024294A NO323266B1 (en) 2000-03-10 2002-09-09 System and method of acoustic telemetry from a downhole pulse source to the surface through a compressible drilling fluid
NO20062301A NO335412B1 (en) 2000-03-10 2006-05-22 Method and apparatus for enhanced pulse telemetry during underbalanced drilling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0005746.3A GB0005746D0 (en) 2000-03-10 2000-03-10 Method and apparatus enhanced acoustic mud pulse telemetry during underbalanced drilling

Publications (1)

Publication Number Publication Date
GB0005746D0 true GB0005746D0 (en) 2000-05-03

Family

ID=9887323

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB0005746.3A Ceased GB0005746D0 (en) 2000-03-10 2000-03-10 Method and apparatus enhanced acoustic mud pulse telemetry during underbalanced drilling
GB0014031A Expired - Fee Related GB2360053B (en) 2000-03-10 2000-06-09 Method and apparatus enhanced acoustic mud pulse telemetry during underbalanced drilling

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB0014031A Expired - Fee Related GB2360053B (en) 2000-03-10 2000-06-09 Method and apparatus enhanced acoustic mud pulse telemetry during underbalanced drilling

Country Status (1)

Country Link
GB (2) GB0005746D0 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4878206A (en) * 1988-12-27 1989-10-31 Teleco Oilfield Services Inc. Method and apparatus for filtering noise from data signals
US5055837A (en) * 1990-09-10 1991-10-08 Teleco Oilfield Services Inc. Analysis and identification of a drilling fluid column based on decoding of measurement-while-drilling signals
GB2290320A (en) * 1994-06-16 1995-12-20 Engineering For Industry Limit Measurement-while-drilling system for wells
US5459697A (en) * 1994-08-17 1995-10-17 Halliburton Company MWD surface signal detector having enhanced acoustic detection means
US6097310A (en) * 1998-02-03 2000-08-01 Baker Hughes Incorporated Method and apparatus for mud pulse telemetry in underbalanced drilling systems

Also Published As

Publication number Publication date
GB2360053A (en) 2001-09-12
GB0014031D0 (en) 2000-08-02
GB2360053B (en) 2003-06-11

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)