CA2250030A1 - Method of assaying downhole occurrences and conditions - Google Patents

Method of assaying downhole occurrences and conditions

Info

Publication number
CA2250030A1
CA2250030A1 CA002250030A CA2250030A CA2250030A1 CA 2250030 A1 CA2250030 A1 CA 2250030A1 CA 002250030 A CA002250030 A CA 002250030A CA 2250030 A CA2250030 A CA 2250030A CA 2250030 A1 CA2250030 A1 CA 2250030A1
Authority
CA
Canada
Prior art keywords
bit
incremental
signals
distance
initial
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
CA002250030A
Other languages
French (fr)
Other versions
CA2250030C (en
Inventor
Lee Morgan Smith
William A. Goldman
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.)
Halliburton Energy Services Inc
Original Assignee
Dresser Industries, Inc.
Lee Morgan Smith
William A. Goldman
Dii Industries, Llc
Halliburton Energy Services, 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 Dresser Industries, Inc., Lee Morgan Smith, William A. Goldman, Dii Industries, Llc, Halliburton Energy Services, Inc. filed Critical Dresser Industries, Inc.
Publication of CA2250030A1 publication Critical patent/CA2250030A1/en
Application granted granted Critical
Publication of CA2250030C publication Critical patent/CA2250030C/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
    • E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
    • 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
    • E21B12/00—Accessories for drilling tools
    • E21B12/02—Wear indicators
    • 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
    • E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
    • E21B44/005—Below-ground automatic control 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
    • 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
    • E21B49/003—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 analysing drilling variables or conditions
    • 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
    • E21B2200/00—Special features related to earth drilling for obtaining oil, gas or water
    • E21B2200/22—Fuzzy logic, artificial intelligence, neural networks or the like

Abstract

A method of assaying work of a bit (10) of a given size and design comprises the steps of drilling a hole with the bit (10) from an initial point (I) to a terminal point (T) and recording the distance between the initial and terminal points. Electrical incremental actual force signals (18) are generated, each corresponding to a force of the bit (10) over a respective increment of the distance between the initial and terminal points. Electrical incremental distance signals (14) are also generated, each corresponding to the length of the increment for a respective one of the incremental actual force signals (18). The incremental actual force signals and incremental distance signals are processed to produce a value corresponding to the total work done by the bit in drilling from the initial point to the terminal point. Using such a work assay, a number of other downhole occurrences and/or conditions can be assayed.
CA002250030A 1996-03-25 1997-03-21 Method of assaying downhole occurrences and conditions Expired - Lifetime CA2250030C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/621,411 1996-03-25
US08/621,411 US5794720A (en) 1996-03-25 1996-03-25 Method of assaying downhole occurrences and conditions
PCT/US1997/004543 WO1997036084A1 (en) 1996-03-25 1997-03-21 Method of assaying downhole occurrences and conditions

Publications (2)

Publication Number Publication Date
CA2250030A1 true CA2250030A1 (en) 1997-10-02
CA2250030C CA2250030C (en) 2006-10-17

Family

ID=24490072

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002250030A Expired - Lifetime CA2250030C (en) 1996-03-25 1997-03-21 Method of assaying downhole occurrences and conditions

Country Status (9)

Country Link
US (6) US5794720A (en)
JP (1) JP2000507658A (en)
CN (1) CN1082128C (en)
AU (1) AU709128B2 (en)
BR (1) BR9708257A (en)
CA (1) CA2250030C (en)
GB (1) GB2328467B (en)
NO (1) NO324161B1 (en)
WO (1) WO1997036084A1 (en)

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US7035778B2 (en) 2006-04-25
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AU2338997A (en) 1997-10-17
US5794720A (en) 1998-08-18
NO984454D0 (en) 1998-09-24
US6131673A (en) 2000-10-17
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CN1214754A (en) 1999-04-21
US6374926B1 (en) 2002-04-23
AU709128B2 (en) 1999-08-19
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US20030187582A1 (en) 2003-10-02
US20090006058A1 (en) 2009-01-01
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CA2250030C (en) 2006-10-17
US8949098B2 (en) 2015-02-03
US20040059554A1 (en) 2004-03-25
GB9820642D0 (en) 1998-11-18

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