WO1988008069A3 - Apparatus for use in drilling - Google Patents

Apparatus for use in drilling Download PDF

Info

Publication number
WO1988008069A3
WO1988008069A3 PCT/GB1988/000292 GB8800292W WO8808069A3 WO 1988008069 A3 WO1988008069 A3 WO 1988008069A3 GB 8800292 W GB8800292 W GB 8800292W WO 8808069 A3 WO8808069 A3 WO 8808069A3
Authority
WO
WIPO (PCT)
Prior art keywords
hollow shaft
pipe
top drive
shaft
retractible
Prior art date
Application number
PCT/GB1988/000292
Other languages
French (fr)
Other versions
WO1988008069A2 (en
Inventor
Daniel Grady Shaw
Billy Mac Cline
Original Assignee
Triten Corp
Lucas Brian Ronald
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 Triten Corp, Lucas Brian Ronald filed Critical Triten Corp
Publication of WO1988008069A2 publication Critical patent/WO1988008069A2/en
Publication of WO1988008069A3 publication Critical patent/WO1988008069A3/en
Priority to NO885529A priority Critical patent/NO885529D0/en

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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/10—Valve arrangements in drilling-fluid circulation systems
    • E21B21/106—Valve arrangements outside the borehole, e.g. kelly valves
    • 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
    • E21B19/20—Combined feeding from rack and connecting, e.g. automatically
    • 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
    • E21B2200/04—Ball valves

Abstract

A drilling derrick is provided with two upwardly extending guide rails (127). A support frame (135) is slidably mounted on the guide rails (127). The support frame (135) supports a top drive (132) of novel structure, a novel and retractible pipe wrench (137), and a retractible pipe positioning device (138). The top drive (132) comprises a hydraulic motor having a hollow shaft with threads at each end. The hollow shaft is fitted with a driven gear for effecting rotation thereof and a plurality of pinion gears disposed about the driven gear and in mesh therewith, means transmitting power from the hydraulic actuable motor means via the pinion gears to the hollow shaft. The upper end of the hollow shaft is connected either directly or indirectly to a drilling swivel (129) which is attached by bails (130) to a travelling block (125). The other end of the hollow shaft is connected either directly or indirectly to the drill string. A tubular member to be connected into the drill string in series with the tubular drive shaft may contain a ball plug valve assembly (133) by which flow of fluid through the tubular drive shaft can be shut off. The top drive (132) can be pivoted in a substantially horizontal plane away from the vertical axis of the drill string. The retractible telescopic pipe positioning device (138) is mounted beneath the top drive (132) and can be used for picking up pipe and positioning it so that the pipe threads can mate precisely with the threads of the shaft thereabove.
PCT/GB1988/000292 1987-04-14 1988-04-14 Apparatus for use in drilling WO1988008069A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NO885529A NO885529D0 (en) 1987-04-14 1988-12-13 DRILL USE DEVICE.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/038,877 US4813493A (en) 1987-04-14 1987-04-14 Hydraulic top drive for wells
US038,877 1987-04-14

Publications (2)

Publication Number Publication Date
WO1988008069A2 WO1988008069A2 (en) 1988-10-20
WO1988008069A3 true WO1988008069A3 (en) 1988-11-17

Family

ID=21902417

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB1988/000292 WO1988008069A2 (en) 1987-04-14 1988-04-14 Apparatus for use in drilling

Country Status (2)

Country Link
US (1) US4813493A (en)
WO (1) WO1988008069A2 (en)

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US3623558A (en) * 1970-09-08 1971-11-30 Cicero C Brown Power swivel for use with concentric pipe strings
US4453603A (en) * 1980-12-09 1984-06-12 Voss Development Corporation Apparatus and method for selected path drilling
GB2091788A (en) * 1981-01-23 1982-08-04 Varco Int Top drive wel drilling apparatus
GB2167105A (en) * 1984-10-03 1986-05-21 Lucas Brian Ronald Apparatus for use in drilling

Also Published As

Publication number Publication date
WO1988008069A2 (en) 1988-10-20
US4813493A (en) 1989-03-21

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