WO2014186588A2 - Tubage de remplissage automatique - Google Patents

Tubage de remplissage automatique Download PDF

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Publication number
WO2014186588A2
WO2014186588A2 PCT/US2014/038221 US2014038221W WO2014186588A2 WO 2014186588 A2 WO2014186588 A2 WO 2014186588A2 US 2014038221 W US2014038221 W US 2014038221W WO 2014186588 A2 WO2014186588 A2 WO 2014186588A2
Authority
WO
WIPO (PCT)
Prior art keywords
impeller
string
tubular
wellbore
casing
Prior art date
Application number
PCT/US2014/038221
Other languages
English (en)
Other versions
WO2014186588A3 (fr
Inventor
Jeffery MORRISON
Original Assignee
Weatherford/Lamb, Inc.
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 Weatherford/Lamb, Inc. filed Critical Weatherford/Lamb, Inc.
Priority to GB1520046.2A priority Critical patent/GB2536523B/en
Priority to US14/890,597 priority patent/US20160084014A1/en
Priority to CA2912410A priority patent/CA2912410A1/fr
Publication of WO2014186588A2 publication Critical patent/WO2014186588A2/fr
Publication of WO2014186588A3 publication Critical patent/WO2014186588A3/fr

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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/14—Casing shoes for the protection of the bottom of the casing
    • 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
    • E21B17/006—Accessories for drilling pipes, e.g. cleaners
    • 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
    • E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
    • E21B17/1078—Stabilisers or centralisers for casing, tubing or drill pipes
    • 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
    • E21B34/00—Valve arrangements for boreholes or wells
    • E21B34/06—Valve arrangements for boreholes or wells in wells
    • 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
    • E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing 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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/08—Controlling or monitoring pressure or flow of drilling fluid, e.g. automatic filling of boreholes, automatic control of bottom pressure

Definitions

  • Embodiments of the present invention generally relate to a self filling casing for running into a wellbore prior to cementing.
  • Oil and gas wells are drilled in sections and each section is typically lined with a tubular string or casing.
  • a section of wellbore is drilled, the drill string and drill are removed and a string of casing is run into the wellbore where it is cemented to isolate that section of the well from the formation therearound.
  • isolation takes place by filling an annular area between the casing and the wellbore with cement.
  • Hydrostatic pressure is the pressure which is exerted on a portion of a column of fluid as a result of the weight of the fluid above it. Because wellbores are filled with fluid, in deeper wells a hydrostatic head of a column of fluid can place enormous pressure on the walls of a wellbore and the formations therein.
  • Running casing strings into a fluid-filled wellbore necessarily means the string must be filled with fluid as it is inserted. The displacement of fluid created by the casing, especially in deep water applications can cause pressure increases in the fluid which in turn can create fluid pressure waves that act upon the formations and can cause damage. The potential for damage increases the faster the string is inserted into the well.
  • Figure 1 is a partial section view of a bottom end of a casing string with an impeller mounted therein.
  • Figure 2 is a view of the impeller in the casing.
  • Figure 3A is a first view of the casing and impeller in a wellbore.
  • Figure 3B is a second view of the casing and impeller in the wellbore illustrating direction and rotation.
  • an embodiment of the invention comprises a radial impeller/propeller disposed at a lower end of a casing string.
  • impeller and “propeller” are used interchangeably and relate to any structure that creates fluid turbulence when rotated.
  • the casing 100 includes a reduced inner diameter portion 105 at a lower end.
  • the impeller 200 includes three vanes 205, each of which has a flat portion 210 as well as an angled portion 215. Unlike a typical impeller, the impeller of Figure 1 has no shaft connected to a central hub for rotation.
  • the vanes are affixed at their outer edge 220 to an inner diameter of the casing 100 in order to rotationally fix the impeller 200 to the casing 100.
  • the casing string becomes the "shaft” and the impeller is capable of circumferential rotation as the casing string upon which it is mounted rotates.
  • the vanes are arranged such that rotation in one direction (e.g. "right- handed") will cause fluid to move into the tubular casing string.
  • An impeller of the type shown in Figure 1 is described in U.S. Patent No. 6,595,752 and that patent is incorporated by reference herein in its entirety.
  • FIG. 2 is a top view of the impeller and casing and illustrates the 3 vanes 205 with their flat portions 210 as well as gaps 212 that are visible between the vanes when viewed from above.
  • the casing/ impeller is shown in a wellbore 1 15 and the rotation of the string is shown by arrow 120.
  • the impeller could be mounted in a sleeve which is in turn attached to an inner diameter of the casing.
  • the impeller has a single auger-shaped spiraling vane rather than a plurality of vanes as shown in Figure 1 .
  • two or more impellers are mounted or stacked in the casing string at various locations. In each case, the impeller assembly is constructed of drillable material permitting the assembly to be drilled up and destroyed prior to another section of wellbore being drilled.
  • the apparatus and method described can be operated in the following steps: As a casing string is assembled at the surface of a well, the bottom most joint of casing includes, in addition to cementing equipment, an impeller. Cementing equipment typically includes ccentralizers to ensure satisfactory zone isolation and float shoes and collars (float valves) to prevent backflow after the cement has been pumped into place. Using a top drive, the casing is lowered into the wellbore in stands of 90 feet at a rate of about 90 feet/ minute. As the string is lowered into the wellbore, it is rotated in a right-hand manner at a speed, in one example, of 15-30 rpm.
  • the rotation of the casing in turn rotates the impeller, thereby urging the wellbore fluid into a lower end of the casing string to fill the string and to reduce pressure surges brought about by the volume and speed of the string.
  • cementing is performed as usual.
  • the impeller stays in place as the cement passes through the casing and into an annulus formed between the casing and wellbore. Thereafter, the impeller is destroyed by drilling as a new section of wellbore is formed.
  • Figures 3A illustrates the impeller/ casing string in a wellbore 1 15.
  • Figure 3B the casing is shown rotating (arrow 120) and being lowered (arrow 125) to urge fluid into the casing string (arrow 130).

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)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
  • Basic Packing Technique (AREA)

Abstract

L'invention concerne un procédé et un appareil pour réaliser une colonne de tubage dans un puits de forage. Dans un premier mode de réalisation, la colonne comprend un agitateur à son extrémité inférieure. Lorsque la colonne tourne dans le puits de forage, l'agitateur rotatif pousse un fluide dans la colonne.
PCT/US2014/038221 2013-05-15 2014-05-15 Tubage de remplissage automatique WO2014186588A2 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB1520046.2A GB2536523B (en) 2013-05-15 2014-05-15 Self filling casing
US14/890,597 US20160084014A1 (en) 2013-05-15 2014-05-15 Self filling casing
CA2912410A CA2912410A1 (fr) 2013-05-15 2014-05-15 Tubage de remplissage automatique

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201361823724P 2013-05-15 2013-05-15
US61/823,724 2013-05-15

Publications (2)

Publication Number Publication Date
WO2014186588A2 true WO2014186588A2 (fr) 2014-11-20
WO2014186588A3 WO2014186588A3 (fr) 2015-05-07

Family

ID=50979886

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2014/038221 WO2014186588A2 (fr) 2013-05-15 2014-05-15 Tubage de remplissage automatique

Country Status (4)

Country Link
US (1) US20160084014A1 (fr)
CA (1) CA2912410A1 (fr)
GB (1) GB2536523B (fr)
WO (1) WO2014186588A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022098448A1 (fr) * 2020-11-06 2022-05-12 Weatherford Technology Holdings, Llc Vanne à flotteur produisant un écoulement turbulent pour voie de sabot humide

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6595752B2 (en) 2001-07-09 2003-07-22 Mcginn John Radial impeller for a centrifugal pump

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2848053A (en) * 1956-06-21 1958-08-19 Phillips Petroleum Co Back pressure valve
US6401824B1 (en) * 2000-03-13 2002-06-11 Davis-Lynch, Inc. Well completion convertible float shoe/collar
GB0823194D0 (en) * 2008-12-19 2009-01-28 Tunget Bruce A Controlled Circulation work string for well construction
US7938203B1 (en) * 2010-10-25 2011-05-10 Hall David R Downhole centrifugal drilling fluid separator

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6595752B2 (en) 2001-07-09 2003-07-22 Mcginn John Radial impeller for a centrifugal pump

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022098448A1 (fr) * 2020-11-06 2022-05-12 Weatherford Technology Holdings, Llc Vanne à flotteur produisant un écoulement turbulent pour voie de sabot humide

Also Published As

Publication number Publication date
WO2014186588A3 (fr) 2015-05-07
US20160084014A1 (en) 2016-03-24
GB2536523B (en) 2017-07-05
GB201520046D0 (en) 2015-12-30
CA2912410A1 (fr) 2014-11-20
GB2536523A (en) 2016-09-21

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