NL7400965A - Boorputcirculatieklep. - Google Patents

Boorputcirculatieklep.

Info

Publication number
NL7400965A
NL7400965A NL7400965A NL7400965A NL7400965A NL 7400965 A NL7400965 A NL 7400965A NL 7400965 A NL7400965 A NL 7400965A NL 7400965 A NL7400965 A NL 7400965A NL 7400965 A NL7400965 A NL 7400965A
Authority
NL
Netherlands
Prior art keywords
response
cycling
annulus pressure
well bore
open position
Prior art date
Application number
NL7400965A
Other languages
English (en)
Other versions
NL158887B (nl
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 filed Critical
Priority to NL7400965.A priority Critical patent/NL158887B/nl
Publication of NL7400965A publication Critical patent/NL7400965A/nl
Publication of NL158887B publication Critical patent/NL158887B/nl

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK 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
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK 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
    • E21B34/10—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Details Of Valves (AREA)
NL7400965.A 1974-01-24 1974-01-24 Circulatieafsluiter voor toepassing bij een inrichting voor het testen van boorputformaties in een kolom van testgereedschappen. NL158887B (nl)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL7400965.A NL158887B (nl) 1974-01-24 1974-01-24 Circulatieafsluiter voor toepassing bij een inrichting voor het testen van boorputformaties in een kolom van testgereedschappen.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7400965.A NL158887B (nl) 1974-01-24 1974-01-24 Circulatieafsluiter voor toepassing bij een inrichting voor het testen van boorputformaties in een kolom van testgereedschappen.

Publications (2)

Publication Number Publication Date
NL7400965A true NL7400965A (nl) 1975-07-28
NL158887B NL158887B (nl) 1978-12-15

Family

ID=19820606

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7400965.A NL158887B (nl) 1974-01-24 1974-01-24 Circulatieafsluiter voor toepassing bij een inrichting voor het testen van boorputformaties in een kolom van testgereedschappen.

Country Status (1)

Country Link
NL (1) NL158887B (nl)

Also Published As

Publication number Publication date
NL158887B (nl) 1978-12-15

Similar Documents

Publication Publication Date Title
NL173993C (nl) Afsluiter, met een elastische afdichtring die door inklemming wordt vastgehouden in een omtreksgroef in een afsluitorgaan.
CA1027104A (en) Valve and handle for an air operated tool, and method of fluid control
GB1441133A (en) Tools for incorporation in well drill strings
SE7706279L (sv) Ventil
NL7400965A (nl) Boorputcirculatieklep.
JPS529719A (en) Exhast gas recycling device
GB1327700A (en) Fluid driven power tool including an automatic shut-off valve
AT253256B (de) Druckregeleinrichtung zum Einstellen eines bestimmten Verhältnisses der Drücke in zwei oder mehr Druckmittelkreisen, z. B. bei Rohrprüfpressen, das beim Ändern des Druckes des zugeführten Druckmittels erhalten bleibt
ATA76177A (de) Ventil zum absperren, drosseln oder regeln
SE382663B (sv) Sett att fora in mellantryckgas i en skruvkylkompressor jemte skruvkompressor for genomforande av settet.
JPS5652665A (en) Sluice and swing check valve
GB1130679A (en) Improvements in rotary pneumatic nut runners and like tools
CH384965A (de) Durch ein Druckmittel gesteuertes Ventil
JPS51133626A (en) Control valve for return flow of exhaust gas
CH392425A (de) Mit einem Handrad zu betätigendes Gasventil
GB1555702A (en) Low pressure shut-off valve for fluid operated tool
JPS5274970A (en) Arm for transferring tool
GB1089374A (en) Improvements in or relating to explosive actuated tools for driving nails, studs or other anchoring members into hard materials
JPS563370A (en) Valve closed by water pressure when button is pushed
CH385029A (de) Atmungsgerät mit lungengesteuertem Nährgaszuführungsventil, dem ein Druckminderer vorgeschaltet ist
JPS5216834A (en) Door closer
ES247358A1 (es) Cierre automatico de seguridad para gas
JPS5351309A (en) Steam control valve opening process
ES57038U (es) Nuevo modelo de llave para el paso de fluidos
FR2127038A5 (en) Well disaster valve - with plugged valve - sleeve closed by prodn pre exceeding control press

Legal Events

Date Code Title Description
NL80 Information provided on patent owner name for an already discontinued patent

Owner name: HALLIBURTON

V4 Discontinued because of reaching the maximum lifetime of a patent