CN201635657U - Downhole drilling tool for intelligent downhole multi-branch horizontal drilling completion system - Google Patents
Downhole drilling tool for intelligent downhole multi-branch horizontal drilling completion system Download PDFInfo
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- CN201635657U CN201635657U CN2010201627987U CN201020162798U CN201635657U CN 201635657 U CN201635657 U CN 201635657U CN 2010201627987 U CN2010201627987 U CN 2010201627987U CN 201020162798 U CN201020162798 U CN 201020162798U CN 201635657 U CN201635657 U CN 201635657U
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Abstract
The utility model relates to a downhole drilling tool for an intelligent downhole horizontal multi-branch drilling completion system and belongs to the technical field of energy exploitation devices. The downhole drilling tool consists of an upper expansion fixed group, a phase angle control steering device and a flexible rotating shaft drilling tool. The upper end and the lower end of the phase angle control steering device are respectively connected with the upper expansion fixed group and the flexible rotating shaft drilling tool. A special tool which is completely vertical to a drill hole on the horizontal direction of a vertical well and used for completing the porous operation at one time down the hole and a high-pressure water flowing drilling head for operation process are drilled into the ground from four uniformly distributed horizontal directions and bring drilled rock chips out of the completed hole to realize the horizontal multi-branch drilling operation, thereby achieving the purposes of enlarging the bare fluid area and efficiently exploiting the underground energy resources.
Description
Technical field:
The utility model relates to energy extraction equipment technology field, relates in particular to oil, natural gas and original place and leaches the exploitation equipment of adopting uranium.
Background technology:
Recover the oil in the whole world, gas recovery well is used maximum completion methods and is-bore and be lowered to sleeve pipe or tail pipe after opening oil, gas-bearing formation, inject cement paste after, by perforating bullet perforation mode, make perforating bullet pass sleeve pipe, well cementing of cement layer, ore bed and stay the duct, finish completion practice.Its principle is that gunpowder makes its blast in perforating bullet is ignited in the down-hole, produces HTHP metal air-flow and penetrates the mineral reserve fluid passage.Mainly there is following some shortcoming in this kind completion method: 1, by extrusion molding, and hole wall has the residual flow metal ingredient to perforation in duct that the down-hole ore bed forms, so extent of injury is bigger on every side in the ore bed duct, and the permeability injury degree reaches 60～80%.2, the degree of depth owing to perforation is directly proportional with the powder volume of perforating bullet, and the intensity of stratum casing strength, cementing concrete has restricted the gunpowder consumption of perforating bullet, and therefore the duct of penetrating is short, and hole depth is 300～800mm usually.3, influenced by formation condition, shallow the differing of hole depth that perforation forms, and can't be at its penetrating depth of underground survey.4, perforating bullet is shooting, is having certain danger in transportation and the operation process.
For solving the problems of the technologies described above, one cover intelligent underground multi-branch horizontal drilling completion system must be arranged, form by ground control system, connecting assembly and down-hole equipment, ground control system and down-hole equipment are linked together, by ground control system control down-hole equipment by connecting assembly.
The utility model content:
The purpose of this utility model is to provide a kind of down-hole equipment that can overcome the intelligent underground multi-branch horizontal drilling completion system of prior art problem.
The utility model is made up of the fixing group of upper end expansion, phase angle control steering gear and rotary flexible shaft drilling tool, and fixing group and rotating shaft drilling tool expand on the two ends up and down of described phase angle control steering gear connect respectively.
Expand to fix to organize and comprise top board, lower platen, ring-type porous hollow cavity and oil resistant gum cover in described upper end, the axially vertical of described ring-type porous hollow cavity is provided with, the through hole that the external surface setting of ring-type porous hollow cavity is communicated with inner chamber, described top board, lower platen are fixedlyed connected with the upper/lower terminal of ring-type porous hollow cavity respectively, described oil resistant gum cover is placed on the outside of ring-type porous hollow cavity, and the lower end of the high pressure fine long capillary that introduce on ground is communicated with the inner chamber of ring-type porous hollow cavity.
The control steering gear of described phase angle comprises: motor fixing seat, buncher, motor output shaft, outer cylinder body and turn to cylindrical shell, the lower platen of described outer cylinder body and the fixing group of upper end expansion is affixed, the axially vertical of described outer cylinder body arranged, inwall on described outer cylinder body top is provided with 1/4 circle internal gear, the described drum shaft that turns to is to being vertical layout, turn to cylindrical shell to be fixed on the motor fixing seat outside, described buncher vertically is fixed on the described motor fixing seat, output at described buncher connects motor output shaft, in the fixedly connected external gear of the other end of described motor output shaft, described external gear is meshed with described 1/4 circle internal gear, the outer wall of described outer cylinder body is provided with horizontal semi-circular recesses, describedly with the rotating cylinder facing surfaces relative semi-circular recesses is set respectively laterally, in the circle ring chamber that described two groups of semi-circular recesses are formed, rolling ball body is set at outer cylinder body.
Described rotating shaft drilling tool comprises and turns to the affixed lower shell in cylindrical shell below, in described lower shell, be provided with buncher, the hollow driven spindle, fixedly install vertical layout in described lower shell upper inner by support, output described buncher down, described support is fixedly connected on the lifting shaft, the output of described buncher connects motor output shaft, four hollow driven spindles of stent support are passed through in the outside at described motor output shaft, each hollow driven spindle is meshed with motor output shaft respectively, the lower end of each hollow driven spindle connects the hollow flexible axle respectively, described hollow flexible axle is set on the described lower shell sidewall, and the other end of described hollow flexible axle connects drill bit respectively; The High-Pressure Water distributor is set between four hollow driven spindles, and described High-Pressure Water distributor is supported on the support, and described High-Pressure Water distributor is provided with four delivery ports, and each delivery port is connected with the upper end of four hollow driven spindles respectively.Put the metal steering gear at described each hollow flexible shaft jacket, the upper end of described each metal steering gear be separately fixed at be arranged in the lower shell, on the flange of hollow flexible axle below.
In the high pressure inflation fluid of introducing by the high pressure fine long capillary from ground injects ring-type porous hollow cavity, infiltrate again in the oil resistant gum cover, the oil resistant gum cover expands, and the oil resistant gum cover is squeezed in the borehole wall, realizes that whole device fixes in the down-hole.
The buncher of phase angle control steering gear drives external gear by motor output shaft and slowly runs, because ring gear has only 1/4 circle, therefore makes internal gear and external gear produce relative motion under uninfluenced situation.Expand on the fixing group because outer cylinder body is cemented in the upper end, and inside engaged gear fixedlys connected with outer cylinder body, therefore, buncher drives and turns to cylindrical shell and outer cylinder body generation relative rotary motion.
The water under high pressure of introducing from ground in the rotary flexible shaft drilling tool is dispensed to four hollow driven spindles through the High-Pressure Water distributor, again through the hollow flexible axle, makes four drill bits handled easily under the injection of water under high pressure of hollow flexible axle end.Lifting shaft drives buncher by support and four driven spindles, hollow flexible axles move downward under the state of rotation, driven spindle enters the vertically section of setting upright of metal steering gear, and four hollow flexible axles change direction by the bending section of four groups of metal steering gears respectively, and level pierces ore bed.The effect of setting upright is played to the hollow flexible axle again in the ore bed duct that forms, and therefore four drill bits are pierced ore bed.After arriving desired depth, under hollow flexible axle rotation status, lifting shaft moves upward, and driven spindle is driven in the steering gear of hollow flexible axle retraction metal, and each drill bit is set back in the lower shell, and operating procedure finishes, and drilling tool is in holding state.
The utility model pierces ore bed in the down-hole by drill bit, and will bore broken ground chip and take out of from boring, has solved metal residual around the duct that perforation causes and compaction band etc. to infiltrative influence, helps fluid and flows into hoistway from ore bed.The utility model reaches 1.2～1.5 meters in the degree of depth that pierces of ore bed, is 2～4 times of common perforating depth.Can be by control according to the geological condition of ore bed, control drill bit rotation drilling speed, and drill bit is drive on speed, drilling depth boldly.Can in peupendicular hole, carry out being the boring completion practice of 90 ° of horizontal directions by different oil, gas, uranium ore layers with peupendicular hole, each aspect one-stop operation can pierce four uniform lateral apertures simultaneously, each layer position repeatedly operation gets out a plurality of uniform radial level holes radially, improve the seepage flow effect between oil and gas deposit and the peupendicular hole, can be used for separate zone production targetedly, improve oil, gas reservoir and original place and leach the production efficiency of adopting uranium.
The utility model is fully perpendicular to the boring of the horizontal direction of peupendicular hole, be used for disposable special tool(s) and the operation technique of finishing the porous operation in the down-hole, the drill bit that has High-Pressure Water pierces the stratum from four uniform horizontal directions, and the landwaste that will bore after broken is taken out of from the hole of finishing, realize horizontal multiple-limb bore operation, increase the fluid bare area thereby reach, can realize the purpose of the underground energy of high-efficiency mining.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model.
The specific embodiment
Intelligent underground multi-branch horizontal drilling completion system mainly is made up of ground control system, aboveground Lift-on/Lift-off System and down-hole equipment of the present utility model, ground control system is connected realization transfer of data and control by aboveground Lift-on/Lift-off System with down-hole equipment, aboveground Lift-on/Lift-off System is realized the lifting of down-hole equipment.
Down-hole equipment is made up of the fixing group of upper end expansion I, phase angle control steering gear II and rotating shaft drilling tool III.
The fixing group of upper end expansion I comprises top board 101, lower platen 102, ring-type porous hollow cavity 103 and oil resistant gum cover 104, the axially vertical of ring-type porous hollow cavity 103 is provided with, the through hole that the external surface setting of ring-type porous hollow cavity 103 is communicated with inner chamber, top board 101, lower platen 102 respectively with ring-type porous hollow cavity 103 on, following two ends are affixed, oil resistant gum cover 104 is placed on the outside of ring-type porous hollow cavity 103, the high pressure fine long capillary 105 that introduce on ground and the inner chamber UNICOM of ring-type porous hollow cavity 103, in the high pressure inflation fluid of introducing by high pressure fine long capillary 105 from ground injects ring-type porous hollow cavity 103, infiltrate oil resistant gum cover 104 is expanded, oil resistant gum cover 104 is squeezed in the borehole wall, realizes down-hole equipment fixing in the down-hole.
Phase angle control steering gear II comprises: motor fixing seat 201, buncher 202, speed reducer output shaft 203, outer cylinder body 204, turn to cylindrical shell 205, described outer cylinder body 204 is affixed with the lower platen 102 of the fixing group of upper end expansion I, the axially vertical of outer cylinder body 204 arranged, inwall on outer cylinder body 204 tops fixedly installs 1/4 circle internal gear 207, turn to cylindrical shell 205 axially to be vertical layout, turn to cylindrical shell 205 to be fixed on motor fixing seat 201 outsides, being connected external gear 206 with speed reducer output shaft 203 outputs is meshed with internal gear 207, at outer cylinder body 204 and the relative semi-circular recesses of rotating cylinder 205 facing surfaces difference horizontally set, in the circle ring chamber 208 that described two groups of semi-circular recesses are formed, rolling ball body 209 is set, makes to turn between cylindrical shell 205 and the outer cylinder body 204 and can produce relative rotation.Buncher 202 drives external gear 206 by motor output shaft 203 and slowly runs, because ring gear 207 has only 1/4 circle, therefore makes internal gear 207 and external gear 206 produce relative motion under uninfluenced situation.
Expand on the fixing group I because outer cylinder body 204 is cemented in the upper end, and internal gear 207 and outer cylinder body 204 are also fixed, therefore, buncher 202 drives and turns to cylindrical shell 205 and outer cylinder body 204 to produce relative rotary motion.Rolling ball body 209 and circular rings cavity 208 interact and make the fixing group of the upper end expansion I, the phase angle control steering gear II that are consolidated bear the gravity of rotating shaft drilling tool III, and can produce relative rotary motion.
Rotating shaft drilling tool III comprises and turns to the affixed lower shell 311 in cylindrical shell 205 belows, in lower shell 311, be provided with buncher 302 and four hollow driven spindles 304, fixedly install vertical layout in lower shell 311 upper inner by support 301, output buncher 302 down, support 301 is fixedly connected on the lifting shaft 309, the output of buncher 302 connects motor output shaft 303, support 301 and four hollow driven spindles 304 of bearings are passed through in the outside at motor output shaft 303, each hollow driven spindle 304 is meshed with motor output shaft 303 respectively, the lower end of each hollow driven spindle 304 connects hollow flexible axle 305 respectively, four hollow flexible axles 305 are set in respectively on the through hole of lower shell 311 sidewalls, and the other end of each hollow flexible axle 305 connects drill bit 306 respectively.High-Pressure Water distributor 308 is set between four hollow driven spindles 305, and High-Pressure Water distributor 308 is supported on the support 301, and High-Pressure Water distributor 308 is provided with four delivery ports, and each delivery port is connected with the upper end of four hollow driven spindles 304 respectively.Be nested with metal steering gear 307 respectively outside each hollow flexible axle 304, the upper end of each metal steering gear 307 is separately fixed at and is arranged in the lower shell 311, on the flange 310 of hollow flexible axle 305 belows.
Claims (4)
1. the down-hole equipment of intelligent underground multi-branch horizontal drilling completion system, it is characterized in that being made up of the fixing group of upper end expansion, phase angle control steering gear and rotary flexible shaft drilling tool, fixing group and rotating shaft drilling tool expand on the two ends up and down of described phase angle control steering gear connect respectively.
2. according to the down-hole equipment of the described intelligent underground multi-branch horizontal drilling completion system of claim 1, it is characterized in that expansion fixing group in described upper end comprises top board, lower platen, ring-type porous hollow cavity and oil resistant gum cover, the axially vertical of described ring-type porous hollow cavity is provided with, the through hole that the external surface setting of ring-type porous hollow cavity is communicated with inner chamber, described top board, lower platen respectively with ring-type porous hollow cavity on, following two ends are fixedly connected, described oil resistant gum cover is placed on the outside of ring-type porous hollow cavity, and the lower end of the high pressure fine long capillary that introduce on ground is communicated with the inner chamber of ring-type porous hollow cavity.
3. according to the down-hole equipment of the described intelligent underground multi-branch horizontal drilling completion system of claim 2, it is characterized in that the control steering gear of described phase angle comprises: motor fixing seat, buncher, motor output shaft, outer cylinder body and turn to cylindrical shell, the lower platen of described outer cylinder body and the fixing group of upper end expansion is affixed, the axially vertical of described outer cylinder body arranged, inwall on described outer cylinder body top is provided with 1/4 circle internal gear, the described drum shaft that turns to is to being vertical layout, turn to cylindrical shell to be fixed on the motor fixing seat outside, described buncher vertically is fixed on the described motor fixing seat, output at described buncher connects motor output shaft, in the fixedly connected external gear of the other end of described motor output shaft, described external gear is meshed with described 1/4 circle internal gear, the outer wall of described outer cylinder body is provided with horizontal semi-circular recesses, described at outer cylinder body and the relative semi-circular recesses of rotating cylinder facing surfaces difference horizontally set, in the circle ring chamber that described two groups of semi-circular recesses are formed, rolling ball body is set.
4. according to the intact also down-hole equipment of system of the described intelligent underground multi-branch horizontal drilling of claim 3, it is characterized in that described rotating shaft drilling tool comprises the lower shell affixed with turning to cylindrical shell below, in described lower shell, be provided with buncher, the hollow driven spindle, fixedly install vertical layout in described lower shell upper inner by support, output described buncher down, described support is fixedly connected on the lifting shaft, the output of described buncher connects motor output shaft, four hollow driven spindles of stent support are passed through in the outside at described motor output shaft, each hollow driven spindle is meshed with motor output shaft respectively, the lower end of each hollow driven spindle connects the hollow flexible axle respectively, described hollow flexible axle is set on the described lower shell sidewall, and the other end of described hollow flexible axle connects drill bit respectively; The High-Pressure Water distributor is set between four hollow driven spindles, and described High-Pressure Water distributor is supported on the support, and described High-Pressure Water distributor is provided with four delivery ports, and each delivery port is connected with the upper end of four hollow driven spindles respectively; Put the metal steering gear at described each hollow flexible shaft jacket, the upper end of described each metal steering gear be separately fixed at be arranged in the lower shell, on the flange of hollow flexible axle below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201627987U CN201635657U (en) | 2010-04-16 | 2010-04-16 | Downhole drilling tool for intelligent downhole multi-branch horizontal drilling completion system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201627987U CN201635657U (en) | 2010-04-16 | 2010-04-16 | Downhole drilling tool for intelligent downhole multi-branch horizontal drilling completion system |
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| Publication Number | Publication Date |
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| CN201635657U true CN201635657U (en) | 2010-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010201627987U Expired - Lifetime CN201635657U (en) | 2010-04-16 | 2010-04-16 | Downhole drilling tool for intelligent downhole multi-branch horizontal drilling completion system |
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| CN (1) | CN201635657U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101824964A (en) * | 2010-04-16 | 2010-09-08 | 张建华 | Downhole drill of intelligent underground multi-branch horizontal drilling completion system |
| CN102135011A (en) * | 2011-02-15 | 2011-07-27 | 上海宏睿油气田径向井技术服务有限公司 | Device for pumping coal bed gas through underground radial drilling |
| CN102230359A (en) * | 2011-07-01 | 2011-11-02 | 河南省瓦斯治理研究院有限公司 | Horizontal zero-radius high-pressure hydraulic drilling method |
| CN102808580A (en) * | 2012-08-10 | 2012-12-05 | 中国地质大学（武汉） | Laser directional drilling tool for coal-bed-methane level development hole and drilling method using same |
| CN104005767A (en) * | 2014-06-21 | 2014-08-27 | 吉林大学 | Electronic control telescopic drilling tool for borehole hydraulic mining |
| CN104481394A (en) * | 2014-11-14 | 2015-04-01 | 中国石油集团长城钻探工程有限公司 | Radial horizontal rotating drilling flexible shaft protector |
| CN105569620A (en) * | 2014-11-06 | 2016-05-11 | 中国石油化工股份有限公司 | Method and device for deep penetration perforation used in well completion of open hole well |
| CN105625945A (en) * | 2014-11-06 | 2016-06-01 | 中国石油化工股份有限公司 | Drilling device used for low permeability reservoir and drilling method of drilling device |
-
2010
- 2010-04-16 CN CN2010201627987U patent/CN201635657U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101824964A (en) * | 2010-04-16 | 2010-09-08 | 张建华 | Downhole drill of intelligent underground multi-branch horizontal drilling completion system |
| CN101824964B (en) * | 2010-04-16 | 2013-01-23 | 张建华 | Downhole drill of intelligent underground multi-branch horizontal drilling completion system |
| CN102135011A (en) * | 2011-02-15 | 2011-07-27 | 上海宏睿油气田径向井技术服务有限公司 | Device for pumping coal bed gas through underground radial drilling |
| CN102230359A (en) * | 2011-07-01 | 2011-11-02 | 河南省瓦斯治理研究院有限公司 | Horizontal zero-radius high-pressure hydraulic drilling method |
| CN102808580A (en) * | 2012-08-10 | 2012-12-05 | 中国地质大学（武汉） | Laser directional drilling tool for coal-bed-methane level development hole and drilling method using same |
| CN102808580B (en) * | 2012-08-10 | 2014-07-30 | 中国地质大学（武汉） | Laser directional drilling tool for coal-bed-methane level development hole and drilling method using same |
| CN104005767A (en) * | 2014-06-21 | 2014-08-27 | 吉林大学 | Electronic control telescopic drilling tool for borehole hydraulic mining |
| CN104005767B (en) * | 2014-06-21 | 2015-12-09 | 吉林大学 | A kind of automatically controlled flexible drilling tool for hydraulic borehole mining |
| CN105569620A (en) * | 2014-11-06 | 2016-05-11 | 中国石油化工股份有限公司 | Method and device for deep penetration perforation used in well completion of open hole well |
| CN105625945A (en) * | 2014-11-06 | 2016-06-01 | 中国石油化工股份有限公司 | Drilling device used for low permeability reservoir and drilling method of drilling device |
| CN105625945B (en) * | 2014-11-06 | 2018-01-09 | 中国石油化工股份有限公司 | Drilling equipment and its boring method for low permeability reservoir |
| CN104481394A (en) * | 2014-11-14 | 2015-04-01 | 中国石油集团长城钻探工程有限公司 | Radial horizontal rotating drilling flexible shaft protector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jiangsu Huaan Scientific Research Devices Co., Ltd. Assignor: Zhang Jianhua Contract record no.: 2011320000107 Denomination of utility model: Downhole drill of intelligent underground multi-branch horizontal drilling completion system Granted publication date: 20101117 License type: Exclusive License Record date: 20110301 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20101117 Effective date of abandoning: 20130306 |
|
| RGAV | Abandon patent right to avoid regrant |