EP0353309B1 - Verfahren zum bau eines lochs - Google Patents

Verfahren zum bau eines lochs Download PDF

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Publication number
EP0353309B1
EP0353309B1 EP89901623A EP89901623A EP0353309B1 EP 0353309 B1 EP0353309 B1 EP 0353309B1 EP 89901623 A EP89901623 A EP 89901623A EP 89901623 A EP89901623 A EP 89901623A EP 0353309 B1 EP0353309 B1 EP 0353309B1
Authority
EP
European Patent Office
Prior art keywords
diameter
drilling
profile
bore hole
borehole
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 - Lifetime
Application number
EP89901623A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0353309A1 (de
EP0353309A4 (en
Inventor
Gabdrashit Sultanovich Abdrakhmanov
Albert Gabidullovich Zainullin
Fillipp Grigorievich Arzamastsev
Rashit Akhmedullovich Uteshev
Rustam Khamitovich Ibatullin
Izil Galimzyanovich Jusupov
Anatoly Vasilievich Perov
Midkhat Rakhmatullovich Mavljutov
Rashit Khaibullovich Sannikov
Vil Faizullovich Galiakbarov
Ilyas Anisovich Urazgildin
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.)
TATARSKY GOSUDARSTVENNY NAUCHNO-ISSLEDOVATELSKY I PROEKTNY INSTITUT NEFTYANOI PROMYSHLENNOSTI
Original Assignee
TATARSKY GOSUDARSTVENNY NAUCHNO-ISSLEDOVATELSKY I PROEKTNY INSTITUT NEFTYANOI PROMYSHLENNOSTI
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 TATARSKY GOSUDARSTVENNY NAUCHNO-ISSLEDOVATELSKY I PROEKTNY INSTITUT NEFTYANOI PROMYSHLENNOSTI filed Critical TATARSKY GOSUDARSTVENNY NAUCHNO-ISSLEDOVATELSKY I PROEKTNY INSTITUT NEFTYANOI PROMYSHLENNOSTI
Publication of EP0353309A1 publication Critical patent/EP0353309A1/de
Publication of EP0353309A4 publication Critical patent/EP0353309A4/de
Application granted granted Critical
Publication of EP0353309B1 publication Critical patent/EP0353309B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/02—Subsoil filtering
    • E21B43/10—Setting of casings, screens, liners or the like in wells
    • E21B43/103—Setting of casings, screens, liners or the like in wells of expandable casings, screens, liners, or the like
    • 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • 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
    • E21B29/00—Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground
    • E21B29/10—Reconditioning of well casings, e.g. straightening
    • 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
    • E21B33/10—Sealing or packing boreholes or wells in the borehole
    • E21B33/13—Methods or devices for cementing, for plugging holes, crevices or the like
    • E21B33/14—Methods or devices for cementing, for plugging holes, crevices or the like for cementing casings into boreholes
    • 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

Definitions

  • the invention relates to a method for building a multi-tube tour bore of the type specified in the preamble of the claim.
  • the invention can be effectively applied when drilling through rock layers that are critical in terms of drilling technology, i. H. of layers with abnormally high rock pressure and loose mountains, in which rock, liquid or gas are pressed into the drilling chamber.
  • a method for producing a deep borehole in which the borehole wall in the area of critical mountain layers is covered by specially designed casing sections in order to prevent the penetration of liquids and solids into the borehole.
  • casing pipe sections have cylindrical end pieces with a thread and a central part profiled by longitudinal recesses.
  • casing pipes screwed together at their end pieces and closed off at the lower end by a shoe are lowered into the borehole to the depth of the critical mountain layers and hydraulically expanded in their middle longitudinally profiled sections to the borehole diameter.
  • the drill pipe used for lowering is unscrewed and pulled.
  • the diameter of the cylindrical end pieces of the casing pipes is then increased.
  • drilling can only be carried out with a drill head of smaller diameter, which leads to a gradual reduction in the borehole width when drilling through several critical rock layers.
  • the invention has for its object to provide a method for producing a multi-pipe tour bore with a constant inner diameter, which ensures a secure seal even of layers with particularly high rock pressure.
  • the profile tube tour is securely fixed in the borehole by the hydraulic expansion of the upper and lower profile tubes.
  • the expansion of the middle section tubes by rolling their inside diameter onto the inside diameter of the other section pipes causes the section pipes to solidify by changing the metal structure, which increases the resistance to very high rock pressures.
  • profile tubes can be used as coverings of layers with an abnormally high deposit pressure and can be converted using cheaper means.
  • a maximum increase in hardness of the tubular metal of 130 to 260 % can be achieved with a diameter increase of 3 to 5% achieved by rolling.
  • an upper borehole section with a chisel of large diameter was drilled down according to FIG. 1 and lined with a guide tube tour 1. Thereupon, drilling continued with a chisel of smaller diameter and a casing was fixed in the borehole. Subsequently, drilling continued with a chisel with a constant diameter to the projected depth.
  • a reamer was arranged above the chisel, with which the borehole diameter was expanded by an amount that corresponded to the outer diameter of a widened profile tube.
  • a profile pipe tour was then lowered into the borehole section of the critical mountain layer using the drill pipe and widened by the pressure of a pressed-in liquid.
  • the passage cross section of this pipe section was then calibrated to a diameter by means of a rolling device, which enables the bit to pass freely for further drilling.
  • all other critical ones Mountain strata and complication zones were lined and solidified to the projected depth when the well was brought down, whereupon a conveyor pipe tour was finally installed and cemented.
  • profiled tubes are arranged between these profiled tubes in a profiled tube tour, the outer diameter of which before the profiling is smaller than the borehole diameter and the length of which is greater than that Thickness of the rock layer with abnormally high reservoir pressure.
  • these profiled tubes are rolled up to a diameter which exceeds their initial diameter by 3 to 5%.
  • an exit bore for a guide tube tour 1 with a chisel of 394 mm in diameter was drilled to a depth of 6 m and solidified with conventional guide tubes with an outside diameter of 324 mm. Thereafter, drilling continued with a chisel with a diameter of 295 mm to a depth of 300 m while rinsing with a rinsing liquid of 1.1 g / cm 3 density. This bore was consolidated with a casing pipe 2 with a diameter of 245 mm. Subsequently, drilling continued with chisels with a diameter of 215.9 mm to the projected depth of 1800 m.
  • profile tubes 4 were introduced, which were in an interval of 380 to 480 m by an internal liquid pressure of 10 to 12 MPa expanded and then pressed against the walls of the borehole by rolling.
  • the drill hole had previously been broadened to a diameter of 335 mm using a reamer.
  • the oil and water-bearing zone 3 ' was sealed at a depth of 600 to 640 m using a similar method, a profile tube tour 4' being installed at an interval of 534 to 650 m.
  • Zone 3 "carrying pressurized water was sealed at a depth of 820 to 840 m with the help of a 4" profile tube tour in an interval of 800 to 900 m.
  • drilling continued with a chisel of 215.9 mm in diameter using a drilling fluid with a density of 1.43 g / cm 3 , which corresponded to the geological conditions of the layer 5 to be digested.
  • a conveyor tube tour 6 with a diameter of 146 mm was installed. Drilling was carried out in the depths of 380 to 800 m using a rinsing liquid with a density of 1.29 g / cm 3 and in the depths of 800 to 900 m with a rinsing liquid density of 1.6 g / cm 3 .
  • an excess pressure is created in the interior of this profiled tube tour 4 by injecting a liquid with the aid of e.g. B. a irrigation pump or a cementing unit.
  • a liquid with the aid of e.g. B. a irrigation pump or a cementing unit.
  • the upper and lower profile tubes 4a and 4c are dressed and fixed.
  • the middle, also dressed, profile tube 4b is given a diameter that is 3 to 5% smaller than the diameter of the widened borehole section 7.
  • the drill pipe 11 is unscrewed from the upper profile tube 4a and removed.
  • a rolling device 12 according to FIG. 3 is then moved in on the drill pipe 11, with which the profile tube tour 4 is rolled on.
  • the upper and lower profile tubes 4a, 4c are calibrated, while the middle profile tube 4b is rolled up to a diameter increased by 3 to 5%.
  • the middle profile tube 4b is expanded and pressed tightly against the borehole wall, the packer elements 8 separating the borehole section 7a to be sealed from the rest of the borehole.
  • the shoe 9 is released from the lower profile tube 4c.

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Vending Machines For Individual Products (AREA)
EP89901623A 1988-01-21 1988-11-22 Verfahren zum bau eines lochs Expired - Lifetime EP0353309B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SU4366623 1988-01-21
SU884366623A SU1679030A1 (ru) 1988-01-21 1988-01-21 Способ изол ции зон осложнений в скважине профильными перекрывател ми
PCT/SU1988/000234 WO1989006739A1 (en) 1988-01-21 1988-11-22 Method of constructing a well

Publications (3)

Publication Number Publication Date
EP0353309A1 EP0353309A1 (de) 1990-02-07
EP0353309A4 EP0353309A4 (en) 1991-05-08
EP0353309B1 true EP0353309B1 (de) 1997-02-05

Family

ID=21350919

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89901623A Expired - Lifetime EP0353309B1 (de) 1988-01-21 1988-11-22 Verfahren zum bau eines lochs

Country Status (13)

Country Link
US (1) US4976322A (enrdf_load_stackoverflow)
EP (1) EP0353309B1 (enrdf_load_stackoverflow)
JP (1) JP2530737B2 (enrdf_load_stackoverflow)
CN (1) CN1015808B (enrdf_load_stackoverflow)
AU (1) AU606777B2 (enrdf_load_stackoverflow)
CA (1) CA1301635C (enrdf_load_stackoverflow)
DE (1) DE3855787D1 (enrdf_load_stackoverflow)
HU (1) HUT57371A (enrdf_load_stackoverflow)
IN (1) IN170723B (enrdf_load_stackoverflow)
MX (1) MX171802B (enrdf_load_stackoverflow)
NO (1) NO300986B1 (enrdf_load_stackoverflow)
SU (1) SU1679030A1 (enrdf_load_stackoverflow)
WO (1) WO1989006739A1 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
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US7798225B2 (en) 2005-08-05 2010-09-21 Weatherford/Lamb, Inc. Apparatus and methods for creation of down hole annular barrier

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HUT57371A (en) 1991-11-28
NO893732D0 (no) 1989-09-19
NO893732L (no) 1989-09-19
MX171802B (es) 1993-11-15
SU1679030A1 (ru) 1991-09-23
WO1989006739A1 (en) 1989-07-27
CA1301635C (en) 1992-05-26
IN170723B (enrdf_load_stackoverflow) 1992-05-09
CN1015808B (zh) 1992-03-11
HU890982D0 (en) 1990-12-28
JP2530737B2 (ja) 1996-09-04
US4976322A (en) 1990-12-11
JPH02503097A (ja) 1990-09-27
EP0353309A1 (de) 1990-02-07
EP0353309A4 (en) 1991-05-08
NO300986B1 (no) 1997-08-25
CN1034973A (zh) 1989-08-23
AU2939589A (en) 1989-08-11
AU606777B2 (en) 1991-02-14
DE3855787D1 (de) 1997-03-20

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