CA999233A - Valve assembly - Google Patents

Valve assembly

Info

Publication number
CA999233A
CA999233A CA196,905A CA196905A CA999233A CA 999233 A CA999233 A CA 999233A CA 196905 A CA196905 A CA 196905A CA 999233 A CA999233 A CA 999233A
Authority
CA
Canada
Prior art keywords
valve assembly
valve
assembly
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.)
Expired
Application number
CA196,905A
Inventor
Charles A. Pitts
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.)
Dow Chemical Co
Original Assignee
Dow Chemical Co
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 Dow Chemical Co filed Critical Dow Chemical Co
Application granted granted Critical
Publication of CA999233A publication Critical patent/CA999233A/en
Expired 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
    • E21B34/00—Valve arrangements for boreholes or wells
    • E21B34/06—Valve arrangements for boreholes or wells in 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
    • E21B34/00—Valve arrangements for boreholes or wells
    • E21B34/06—Valve arrangements for boreholes or wells in wells
    • E21B34/14—Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/22—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution
    • F16K3/24—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members
    • F16K3/26—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members with fluid passages in the valve member
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S137/00—Fluid handling
    • Y10S137/907—Vacuum-actuated valves
CA196,905A 1973-06-25 1974-04-05 Valve assembly Expired CA999233A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00373330A US3848670A (en) 1973-06-25 1973-06-25 Valve assembly

Publications (1)

Publication Number Publication Date
CA999233A true CA999233A (en) 1976-11-02

Family

ID=23471943

Family Applications (1)

Application Number Title Priority Date Filing Date
CA196,905A Expired CA999233A (en) 1973-06-25 1974-04-05 Valve assembly

Country Status (2)

Country Link
US (1) US3848670A (en)
CA (1) CA999233A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4645006A (en) * 1984-12-07 1987-02-24 Tinsley Paul J Annulus access valve system
US5141056A (en) * 1991-04-23 1992-08-25 Den Norske Stats Oljeselskap A.S Injection valve for injecting chemicals and similar liquid substances into subsurface formations
GB9408823D0 (en) * 1994-05-04 1994-06-22 Pilot Drilling Control Ltd Telemetry

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1684551A (en) * 1927-03-01 1928-09-18 Sanford E Manning Cementing apparatus
US2211846A (en) * 1937-11-26 1940-08-20 Cicero C Brown Valve
US2210815A (en) * 1939-01-23 1940-08-06 Linney Scotty Alton Tool joint pin

Also Published As

Publication number Publication date
US3848670A (en) 1974-11-19

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