IT1293785B1 - CLOSING PROVISION FOR PERFORATION HOLES IN ALL SPACE DIRECTIONS IN ROCK FORMATIONS WITH - Google Patents

CLOSING PROVISION FOR PERFORATION HOLES IN ALL SPACE DIRECTIONS IN ROCK FORMATIONS WITH

Info

Publication number
IT1293785B1
IT1293785B1 ITMI971774A IT1293785B1 IT 1293785 B1 IT1293785 B1 IT 1293785B1 IT MI971774 A ITMI971774 A IT MI971774A IT 1293785 B1 IT1293785 B1 IT 1293785B1
Authority
IT
Italy
Prior art keywords
rock formations
perforation holes
space directions
closing provision
provision
Prior art date
Application number
Other languages
Italian (it)
Inventor
Stefan Berli
Reinhard Pingel
Original Assignee
Foralith Ag
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 Foralith Ag filed Critical Foralith Ag
Publication of ITMI971774A1 publication Critical patent/ITMI971774A1/en
Application granted granted Critical
Publication of IT1293785B1 publication Critical patent/IT1293785B1/en

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
    • E21B7/00—Special methods or apparatus for drilling
    • 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
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • 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
    • E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
    • 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
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/02—Surface sealing or packing

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (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)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
IT97MI001774 1996-08-16 1997-07-25 CLOSING PROVISION FOR PERFORATION HOLES IN ALL SPACE DIRECTIONS IN ROCK FORMATIONS WITH IT1293785B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH202196A CH691821A5 (en) 1996-08-16 1996-08-16 Closure assembly for drilling holes in all spatial directions in rock formations with overpressure.

Publications (2)

Publication Number Publication Date
ITMI971774A1 ITMI971774A1 (en) 1999-01-25
IT1293785B1 true IT1293785B1 (en) 1999-03-10

Family

ID=4224060

Family Applications (1)

Application Number Title Priority Date Filing Date
IT97MI001774 IT1293785B1 (en) 1996-08-16 1997-07-25 CLOSING PROVISION FOR PERFORATION HOLES IN ALL SPACE DIRECTIONS IN ROCK FORMATIONS WITH

Country Status (4)

Country Link
CH (1) CH691821A5 (en)
DE (1) DE19729059A1 (en)
FR (1) FR2752438B1 (en)
IT (1) IT1293785B1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4214605A (en) * 1978-01-11 1980-07-29 Otis Engineering Corporation Actuator for wireline blowout preventer
US4371045A (en) * 1981-04-01 1983-02-01 The United States Of America As Represented By The United States Department Of Energy Method and apparatus for recovering unstable cores
US5088559A (en) * 1990-11-28 1992-02-18 Taliaferro William D Method and apparatus for running wireline and reeled tubing into a wellbore and stuffing box used in connection therewith

Also Published As

Publication number Publication date
FR2752438A1 (en) 1998-02-20
FR2752438B1 (en) 1999-06-11
ITMI971774A1 (en) 1999-01-25
CH691821A5 (en) 2001-10-31
DE19729059A1 (en) 1998-02-19

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Legal Events

Date Code Title Description
0001 Granted