WO2014070380A1 - Gravel packing system and method - Google Patents
Gravel packing system and method Download PDFInfo
- Publication number
- WO2014070380A1 WO2014070380A1 PCT/US2013/063667 US2013063667W WO2014070380A1 WO 2014070380 A1 WO2014070380 A1 WO 2014070380A1 US 2013063667 W US2013063667 W US 2013063667W WO 2014070380 A1 WO2014070380 A1 WO 2014070380A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- gravel
- packers
- packing
- annular space
- cross
- Prior art date
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
- 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
- E21B43/04—Gravelling of 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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
- E21B33/122—Multiple string packers
-
- 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
- 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
- E21B43/04—Gravelling of wells
- E21B43/045—Crossover tools
Definitions
- Gravel packing is performed to provide structural support to walls of an open borehole.
- Typical gravel packing systems employ a casing within a borehole thereby allowing gravel to be packed in an annular space defined between the casing and walls of the open borehole.
- a gravel packing system includes at least two packers with at least one of the two packers being sealable to an open hole, a barrier sealably engaged with the at least two packers defining an annular space between the open hole and the barrier, a cross-over tool operably connectable to at least one of the at least two packers and the barrier, and at least one regulator in operable communication with the barrier configured to maintain a substantially constant pressure in the annular space maintain a substantially constant while gravel is packed at a location downstream of at least one of the at least two packers, downstream is defined by a direction of travel of gravel that is being packed.
- the method includes running a cross-over tool within an open borehole, engaging the cross-over tool with at least one of at least two packers wherein at least one of the at least two packers is set in the open borehole and a barrier sealed to the at least two packers defining an annular space between the barrier and the open borehole, packing gravel at a location downstream of at least one of the at least two packers, and maintaining a substantially constant pressure in the annular space.
- Figures 1A-1B depict a cross sectional view of a gravel packing system disclosed herein.
- Figures 2A-2L depict cross sectional views of the gravel packing system of Figures 1 A-1B during various operational positions.
- the gravel packing system 10 includes at least two packers 14, 18, 22, 26, with four being illustrated herein, fluidic barriers 30, 34, 38, in the shape of tubulars, a regulator 42 and a cross-over tool 44. At least one of the packers 14, 18, 22, 26 is sealably engagable with an open borehole 46 in an earth formation 48, while the barriers 30, 34, 38 are sealably engaged to the packers 14, 18, 22, 26 thereby defining annular spaces 50, 54, 58 between the barriers 30, 34, 38 and the open borehole 46.
- the regulator 42 is configured to maintain a substantially constant pressure in at least one of the annular spaces 50, 54, 58 at a selected pressure regardless of the pressure within the barriers 30, 34, 38 or any other spaces adjacent to the regulator 42.
- the regulator 42 in this embodiment sets the selected pressure to be maintained as the hydrostatic pressure at the position of the regulator 42 when a first of the packers 14, 18, 22, 26 is set.
- the cross-over tool 44 is sealably connectable to various portions of the packers 14, 18, 22, 26 and the barriers 30, 34, 38 such that gravel pumped therethrough can be packed into the annular spaces 50, 54 and 58.
- the gravel packing system 10 has features such as, seal bores 62, circulating sleeves 66, production sleeves 70, indicator couplings 74 and, gravel pack sleeves 78, that are connected to the packers 18, 22, 26 and the barriers 30, 34 and 38, as well as a packer setting tool 82, tubing 84, return port coupling 88, gravel packing port 92, gravel packing sleeve opening tool 96, set down indicator 100, pick up indicator 104, close-only tool 108 and open-only tool 112 that are connected to the cross-over tool 44.
- These additional features allow operators to perform such operations as positional indicating, setting, actuating valves, opening ports and closing ports, for example, to facilitate the gravel packing that will be discussed below.
- FIGS 2A-2L the gravel packing system 10 disclosed is shown in various positions.
- the packers 14, 18, 22, 26 can be set and the sleeves 66, 70, 78, 96 moved to actuate valves, open or close various ports as will be described next, all without fully removing the cross-over tool 44 from the packers 14, 18, 22, 26.
- Figure 2A shows the cross-over tool 44, which includes the packer setting tool 82, in a position fully run in the borehole 46.
- Figure 2B shows the cross-over tool 44 with the plug 116 run thereagainst and blocking flow therethrough such that pressure applied thereagainst sets the packer 14 that is located most upstream as defined by flow built behind the plug 116.
- the cross-over tool 44 has been moved to a location to set the packer 26 that is located furthest downstream. Downstream being defined by a direction of travel of gravel being packed. This position isolates the annular spaces 50, 54 from the inside of the barriers 30, 34, 38 while leaving the annular space 58 connected thereto through the cross-over tool 44.
- Figure 2D shows gravel 120 being circulated through the cross-over tool 44 and into the annular space 58, after the cross-over tool 44 had been moved again.
- Reverse circulation to remove any extra gravel 120 is illustrated in Figure 2E again after having moved the cross-over tool 44 to realign flow out through the gravel packing port 92.
- the gravel packing port 92 has been aligned with the packer 22 to allow it to be set through pressure applied thereto.
- Gravel 120 is shown being packed into the annular space 54 in Figure 2G.
- An adjustment in location of the cross-over tool 44 allows for reverse flow to again remove excess gravel 120 as seen in Figure 2H.
- gravel 120 is circulated into the annular space 50, followed by a reverse flow operation shown in Figure 2L.
- the illustrated embodiment of the system 10 includes just one of the regulators 42, alternate embodiments could employ a plurality of the regulators 42. Such a system could have one of the regulators 42 in operable communication with each of the annular spaces 50, 54, 58.
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1507460.2A GB2522804A (en) | 2012-11-01 | 2013-10-07 | Gravel Packing system and method |
BR112015009219A BR112015009219A2 (en) | 2012-11-01 | 2013-10-07 | gravel packing system and method |
NO20150375A NO20150375A1 (en) | 2012-11-01 | 2015-03-25 | Gravel packing system and method |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201261721252P | 2012-11-01 | 2012-11-01 | |
US61/721,252 | 2012-11-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014070380A1 true WO2014070380A1 (en) | 2014-05-08 |
Family
ID=50545918
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2013/063667 WO2014070380A1 (en) | 2012-11-01 | 2013-10-07 | Gravel packing system and method |
Country Status (5)
Country | Link |
---|---|
US (1) | US20140116694A1 (en) |
BR (1) | BR112015009219A2 (en) |
GB (1) | GB2522804A (en) |
NO (1) | NO20150375A1 (en) |
WO (1) | WO2014070380A1 (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6230801B1 (en) * | 1998-07-22 | 2001-05-15 | Baker Hughes Incorporated | Apparatus and method for open hold gravel packing |
US6789623B2 (en) * | 1998-07-22 | 2004-09-14 | Baker Hughes Incorporated | Method and apparatus for open hole gravel packing |
US20090188674A1 (en) * | 2008-01-25 | 2009-07-30 | Schlumberger Technology Corporation | System and method for preventing buckling during a gravel packing operation |
US20120175112A1 (en) * | 2011-01-11 | 2012-07-12 | Wesley Ryan Atkinson | Gravel packing in lateral wellbore |
US20120199362A1 (en) * | 2011-02-03 | 2012-08-09 | Halliburton Energy Services, Inc. | Methods of maintaining sufficient hydrostatic pressure in multiple intervals of a wellbore in a soft formation |
-
2013
- 2013-10-01 US US14/043,408 patent/US20140116694A1/en not_active Abandoned
- 2013-10-07 WO PCT/US2013/063667 patent/WO2014070380A1/en active Application Filing
- 2013-10-07 GB GB1507460.2A patent/GB2522804A/en active Pending
- 2013-10-07 BR BR112015009219A patent/BR112015009219A2/en not_active IP Right Cessation
-
2015
- 2015-03-25 NO NO20150375A patent/NO20150375A1/en not_active Application Discontinuation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6230801B1 (en) * | 1998-07-22 | 2001-05-15 | Baker Hughes Incorporated | Apparatus and method for open hold gravel packing |
US6789623B2 (en) * | 1998-07-22 | 2004-09-14 | Baker Hughes Incorporated | Method and apparatus for open hole gravel packing |
US20090188674A1 (en) * | 2008-01-25 | 2009-07-30 | Schlumberger Technology Corporation | System and method for preventing buckling during a gravel packing operation |
US20120175112A1 (en) * | 2011-01-11 | 2012-07-12 | Wesley Ryan Atkinson | Gravel packing in lateral wellbore |
US20120199362A1 (en) * | 2011-02-03 | 2012-08-09 | Halliburton Energy Services, Inc. | Methods of maintaining sufficient hydrostatic pressure in multiple intervals of a wellbore in a soft formation |
Also Published As
Publication number | Publication date |
---|---|
US20140116694A1 (en) | 2014-05-01 |
GB2522804A (en) | 2015-08-05 |
BR112015009219A2 (en) | 2017-07-04 |
GB201507460D0 (en) | 2015-06-17 |
NO20150375A1 (en) | 2015-03-25 |
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