CN102182430A - Drillable quartz sand filter tube sand-prevention mated tube column of horizontal well - Google Patents
Drillable quartz sand filter tube sand-prevention mated tube column of horizontal well Download PDFInfo
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- CN102182430A CN102182430A CN2011100747177A CN201110074717A CN102182430A CN 102182430 A CN102182430 A CN 102182430A CN 2011100747177 A CN2011100747177 A CN 2011100747177A CN 201110074717 A CN201110074717 A CN 201110074717A CN 102182430 A CN102182430 A CN 102182430A
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Abstract
The invention relates to a drillable quartz sand filter tube sand-prevention mated tube column of a horizontal well, belonging to the technical field of sand control equipment for an oil well. The drillable quartz sand filter tube sand-prevention mated tube column of the horizontal well comprises a packer, a quartz sand filter tube, a drillable central tube and a drillable plug, wherein the packer is arranged at the rear end of the drillable central tube, the drillable plug is arranged at the front end of the drillable central tube, the wall of the drillable central tube is provided with a filtration pore area, the quartz sand filter tube is closely fixed in the filtration pore area of the drillable central tube, and the quartz sand filter tube is arranged at the inner side of the wall of the drillable central tube. In the tube column, the quartz sand filter tube is creatively fixed on the inner wall of the drillable central tube, thus effectively reducing the problem of damage and displacement of the quartz sand filter tube caused by friction of an inner sandstone of a perforation sleeve on the quartz sand filter tube when the drillable central tube is arranged, and saving the manufacturing cost; and a drillable centralizer does not need to be added.
Description
Technical field
The present invention relates to a kind of horizontal well drillable quartz sand filter tube sand-prevention assorted tubing string, belong to the sand control equipment technical field.
Background technology
Existing level well sand control mainly adopts the metal sand screen, because metal sand screen pliability is less, and external diameter is bigger, therefore very difficult when changing the metal sand screen, and the metal sand screen is easily in net horizontal section sand card, fracture, cause the horizontal well overhaul or scrap, cause enormous economic loss to the oil field.Publication number is: the Chinese patent of CN101343992 discloses a kind of horizontal well drillable quartz sand filter tube sand-prevention assorted tubing string, form by packer, quartz sand chimney filter, drillable central tube, drillable centralizer and drillable plug, it is characterized in that the cover tube hub that stretches to oil reservoir at horizontal well is provided with a drillable central tube, direct puncture is crossed the cross section of sand control oil reservoir, drillable central tube rear end is provided with packer, the annular space of packing drillable central tube and production string; Front end is provided with a drillable plug, is with several quartz sand chimney filters on the central tube between packer and the drillable plug, is provided with the drillable centralizer between the quartz sand chimney filter.Solve replacing sand screen difficulty, easily caused the problem that oil well is scrapped.But this product makes the quartz sand chimney filter damage when mounted easily and moves, and needs to increase centralizer, fault rate height.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, a kind of horizontal well drillable quartz sand filter tube sand-prevention assorted tubing string is provided.
A kind of horizontal well drillable quartz sand filter tube sand-prevention assorted tubing string, it comprises packer, quartz sand chimney filter, drillable central tube and drillable plug, drillable central tube rear end is provided with packer, drillable central tube front end is provided with the drillable plug, the tube wall of drillable central tube is provided with the filter opening district, the airtight filter opening district of being fixed in the drillable central tube of quartz sand chimney filter is characterized in that the quartz sand chimney filter is arranged at the inboard of drillable central tube tube wall.
Described drillable central tube is connected and composed from beginning to end by drillable center pipeline section pipe.
Connect by tubular connection between the pipeline section pipe of described drillable center.
The tube wall inboard, two ends of described drillable center pipeline section pipe is provided with internal thread, and the two ends tube wall arranged outside of connector has external screw thread, and internal thread is meshed with external screw thread.
Described connector external diameter is identical with drillable center pipeline section external diameter of pipe, and the connector internal diameter is identical with quartz sand chimney filter internal diameter.
Joint gap between described drillable center pipeline section pipe and the connector is 0.5～5mm, is filled with fluid sealant in the joint gap.
Described drillable central tube and drillable plug adopt the PVC plastic production to form.
After described quartz sand chimney filter was mixed by quartz sand and 20: 1 by weight ratio of phenolic resins colloid, 150 °～160 ° dip mold moulding, degree of porosity was 35%～40%.
Beneficial effect of the present invention is as follows:
1, the inwall that the quartz sand chimney filter is fixed in the drillable central tube of the invention, can effectively reduce when the drillable central tube is installed, sandstone friction quartz sand chimney filter causes the quartz sand chimney filter to damage the problem of displacement in the perforated casing, need not increase the drillable centralizer again, saves manufacturing cost; And, because the outer wall of drillable central tube no longer adds quartz sand chimney filter and drillable centralizer, therefore reduced with perforated casing in the frictional force of sandstone, be convenient to the turnover of drillable central tube in perforated casing.
2, drillable center pipeline section pipe connects by connector, gapped between drillable center pipeline section pipe and the connector, this gap can guarantee that the drillable central tube has certain flexibility, thereby smoothly, reduce the drillable central tube and damage breaks by the well that is connected of certain radian is arranged between peupendicular hole and the horizontal well.
3, the joint gap between drillable center pipeline section pipe and the connector is 0.5～5mm, the fluid sealant of filling in this gap can not stop the thickness that grinds drill bit owing to reaching, therefore, when the drillable center pipe rupture takes place when, still can use that to grind drill bit broken with drillable center pipe bit, reach the purpose of removing remaining drillable central tube.
Description of drawings
Fig. 1 is the cross-sectional view of drillable central tube;
Fig. 2 is the cross-sectional view of drillable center pipeline section pipe;
Wherein: 1, packer, 2, the quartz sand chimney filter, 3, the drillable central tube, 4, the drillable plug, 5, the filter opening district, 6, drillable center pipeline section pipe, 7, connector, 8, perforated casing.
The specific embodiment
Below in conjunction with Figure of description the present invention is further elaborated, but institute of the present invention protection domain is not limited thereto.
Embodiment 1
A kind of horizontal well drillable quartz sand filter tube sand-prevention assorted tubing string as shown in Figure 1, it comprises packer 1, quartz sand chimney filter 2, drillable central tube 3 and drillable plug 4, drillable central tube 3 rear ends are provided with packer 1, drillable central tube 3 front ends are provided with drillable plug 4, the tube wall of drillable central tube 3 is provided with filter opening district 5, the quartz sand chimney filter 2 airtight filter opening districts 5 of being fixed in drillable central tube 3, quartz sand chimney filter 2 is arranged at the inboard of drillable central tube 3 tube walls.Described drillable central tube 3 is connected and composed by tubular connection 7 head and the tail by drillable center pipeline section pipe 6.The tube wall inboard, two ends of drillable center pipeline section pipe 6 is provided with internal thread, and the two ends tube wall arranged outside of connector 7 has external screw thread, and internal thread is meshed with external screw thread.Connector 7 external diameters are identical with drillable center pipeline section pipe 6 external diameters, and connector 7 internal diameters are identical with quartz sand chimney filter 2 internal diameters.Joint gap between described drillable center pipeline section pipe 6 and the connector 7 is 0.5mm, is filled with fluid sealant in the joint gap.Drillable central tube 3 and drillable plug 4 adopt the PVC plastic production to form, and after quartz sand chimney filter 2 was mixed by quartz sand and 20: 1 by weight ratio of phenolic resins colloid, 150 ° of dip mold moulding, degree of porosity was 40%.
Because quartz sand chimney filter 2 is fixed in the inwall of drillable central tube 3, drillable central tube 3 directly contact with sandstones in the perforated casing 8, so has reduced the frictional force with perforated casing 8 interior sandstones, is convenient to the turnover of drillable central tube 3 in perforated casing 8.And because the joint gap between drillable center pipeline section pipe 6 and the connector 7 is 0.5mm, this gap can guarantee that drillable central tube 3 has certain flexibility, thereby smoothly, reduce drillable central tube 3 and damage breaks by the well that is connected of certain radian is arranged between peupendicular hole and the horizontal well.Use through reality, than the damage fracture rate reduction by 50% of existing level well drillable quartz sand filter tube sand-prevention assorted column jacket, the sand control success rate improves 15%, and the oil well liquid-producing ability improves 12% behind the sand control.
Claims (8)
1. horizontal well drillable quartz sand filter tube sand-prevention assorted tubing string, it comprises packer, quartz sand chimney filter, drillable central tube and drillable plug, drillable central tube rear end is provided with packer, drillable central tube front end is provided with the drillable plug, the tube wall of drillable central tube is provided with the filter opening district, the airtight filter opening district of being fixed in the drillable central tube of quartz sand chimney filter is characterized in that the quartz sand chimney filter is arranged at the inboard of drillable central tube tube wall.
2. horizontal well drillable quartz sand filter tube sand-prevention assorted tubing string as claimed in claim 1 is characterized in that, described drillable central tube is connected and composed from beginning to end by drillable center pipeline section pipe.
3. horizontal well drillable quartz sand filter tube sand-prevention assorted tubing string as claimed in claim 2 is characterized in that, connects by tubular connection between the pipeline section pipe of described drillable center.
4. horizontal well drillable quartz sand filter tube sand-prevention assorted tubing string as claimed in claim 3, it is characterized in that, the tube wall inboard, two ends of described drillable center pipeline section pipe is provided with internal thread, and the two ends tube wall arranged outside of connector has external screw thread, and internal thread is meshed with external screw thread.
5. horizontal well drillable quartz sand filter tube sand-prevention assorted tubing string as claimed in claim 3 is characterized in that, described connector external diameter is identical with drillable center pipeline section external diameter of pipe, and the connector internal diameter is identical with quartz sand chimney filter internal diameter.
6. horizontal well drillable quartz sand filter tube sand-prevention assorted tubing string as claimed in claim 3 is characterized in that, the joint gap between described drillable center pipeline section pipe and the connector is 0.5～5mm, is filled with fluid sealant in the joint gap.
7. horizontal well drillable quartz sand filter tube sand-prevention assorted tubing string as claimed in claim 1 is characterized in that, described drillable central tube and drillable plug adopt the PVC plastic production to form.
8. horizontal well drillable quartz sand filter tube sand-prevention assorted tubing string as claimed in claim 1, it is characterized in that, after described quartz sand chimney filter was mixed by quartz sand and 20: 1 by weight ratio of phenolic resins colloid, 150 °～160 ° dip mold moulding, degree of porosity was 35%～40%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100747177A CN102182430A (en) | 2011-03-28 | 2011-03-28 | Drillable quartz sand filter tube sand-prevention mated tube column of horizontal well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100747177A CN102182430A (en) | 2011-03-28 | 2011-03-28 | Drillable quartz sand filter tube sand-prevention mated tube column of horizontal well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102182430A true CN102182430A (en) | 2011-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100747177A Pending CN102182430A (en) | 2011-03-28 | 2011-03-28 | Drillable quartz sand filter tube sand-prevention mated tube column of horizontal well |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103159431A (en) * | 2012-12-26 | 2013-06-19 | 北京仁创科技集团有限公司 | High-strength sand prevention casing pipe with high perpetration rate |
| CN103172305A (en) * | 2012-12-26 | 2013-06-26 | 北京仁创科技集团有限公司 | High-strength high-permeability selective sand-prevention casing |
| CN105201460A (en) * | 2015-10-27 | 2015-12-30 | 胜利油田金岛实业有限责任公司 | Integral type high-toughness sand filter pipe |
| CN111219171A (en) * | 2018-11-27 | 2020-06-02 | 中国石油化工股份有限公司 | High-strength filling sand prevention process method for multi-turn steam injection well |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2215018Y (en) * | 1995-01-19 | 1995-12-13 | 胡俊威 | High-temp. sintered metal-ceramic composite filter |
| CN2430542Y (en) * | 1999-11-10 | 2001-05-16 | 李福春 | Precision sand preventing pipe for oil and gas well |
| CN2665356Y (en) * | 2003-12-17 | 2004-12-22 | 山东威拓普石油科技发展有限公司 | Built-in sand prevention pipe |
| US20080169099A1 (en) * | 2007-01-15 | 2008-07-17 | Schlumberger Technology Corporation | Method for Controlling the Flow of Fluid Between a Downhole Formation and a Base Pipe |
| CN101343992A (en) * | 2008-08-27 | 2009-01-14 | 中国石化股份胜利油田分公司孤东采油厂 | Horizontal well drillable quartz sand filter tube sand-prevention assorted column jacket |
| US20100000742A1 (en) * | 2008-07-02 | 2010-01-07 | Halliburton Energy Services, Inc. | Expanded non-bonded mesh well screen |
| US20110036565A1 (en) * | 2009-08-12 | 2011-02-17 | Halliburton Energy Services, Inc. | Control Screen Assembly |
| CN202012335U (en) * | 2011-03-28 | 2011-10-19 | 刘春博 | Horizontal well drillable quartz sand filter pipe sand-proof matched pipe column |
-
2011
- 2011-03-28 CN CN2011100747177A patent/CN102182430A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2215018Y (en) * | 1995-01-19 | 1995-12-13 | 胡俊威 | High-temp. sintered metal-ceramic composite filter |
| CN2430542Y (en) * | 1999-11-10 | 2001-05-16 | 李福春 | Precision sand preventing pipe for oil and gas well |
| CN2665356Y (en) * | 2003-12-17 | 2004-12-22 | 山东威拓普石油科技发展有限公司 | Built-in sand prevention pipe |
| US20080169099A1 (en) * | 2007-01-15 | 2008-07-17 | Schlumberger Technology Corporation | Method for Controlling the Flow of Fluid Between a Downhole Formation and a Base Pipe |
| US20100000742A1 (en) * | 2008-07-02 | 2010-01-07 | Halliburton Energy Services, Inc. | Expanded non-bonded mesh well screen |
| CN101343992A (en) * | 2008-08-27 | 2009-01-14 | 中国石化股份胜利油田分公司孤东采油厂 | Horizontal well drillable quartz sand filter tube sand-prevention assorted column jacket |
| US20110036565A1 (en) * | 2009-08-12 | 2011-02-17 | Halliburton Energy Services, Inc. | Control Screen Assembly |
| CN202012335U (en) * | 2011-03-28 | 2011-10-19 | 刘春博 | Horizontal well drillable quartz sand filter pipe sand-proof matched pipe column |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103159431A (en) * | 2012-12-26 | 2013-06-19 | 北京仁创科技集团有限公司 | High-strength sand prevention casing pipe with high perpetration rate |
| CN103172305A (en) * | 2012-12-26 | 2013-06-26 | 北京仁创科技集团有限公司 | High-strength high-permeability selective sand-prevention casing |
| CN103172305B (en) * | 2012-12-26 | 2015-04-15 | 北京仁创科技集团有限公司 | High-strength high-permeability selective sand-prevention casing |
| CN103159431B (en) * | 2012-12-26 | 2015-09-16 | 北京仁创科技集团有限公司 | A kind of high strength high permeability sand control sleeve pipe |
| CN105201460A (en) * | 2015-10-27 | 2015-12-30 | 胜利油田金岛实业有限责任公司 | Integral type high-toughness sand filter pipe |
| CN111219171A (en) * | 2018-11-27 | 2020-06-02 | 中国石油化工股份有限公司 | High-strength filling sand prevention process method for multi-turn steam injection well |
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Application publication date: 20110914 |