CN104832092A - Hydraulic jet sidetracking process - Google Patents
Hydraulic jet sidetracking process Download PDFInfo
- Publication number
- CN104832092A CN104832092A CN201510251665.4A CN201510251665A CN104832092A CN 104832092 A CN104832092 A CN 104832092A CN 201510251665 A CN201510251665 A CN 201510251665A CN 104832092 A CN104832092 A CN 104832092A
- Authority
- CN
- China
- Prior art keywords
- tube
- sidetracking
- continuous
- pressure
- self
- 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.)
- Pending
Links
Landscapes
- Earth Drilling (AREA)
Abstract
Provided is a hydraulic jet sidetracking process. Holes with the diameter of 20 mm to 30 mm are directly drilled into a casing pipe and a cement ring through ground equipment and downhole tools, then horizontal segment well hole hydraulic jet drilling is carried out, the tools turn from vertical to horizontal in the casing pipe, and the same casing pipe section can be operated four to six times. Casing pipe windowing and jet sidetracking are achieved through the process, construction of 5-1/2', 6-5/8', 7' and 9 5/8' casing pipes and 2-7/8' and 3-1/2' oil pipes can be met, and the horizontal drilling length can reach 120 m. Two to four days of operation time are spent in drilling four well holes in the same casing pipe section, about 3 m<3> of jet drilling fluid is needed in each branch well, and compared with other sidetracking, time is saved, and cost is effectively saved.
Description
Technical field
The present invention relates to oil equipment technical field, be specifically related to a kind of jetting Sidetracking.
Background technology
The major part oil field development of east, China land enters middle and advanced stage, improves old well recovery, reduces the key that development cost becomes oil field sustainable development.Window sidetracking is that old well improves one of recovery ratio, the effective technology that reduces costs.The technique that current oil field is used for sidetracking is rotary drilling technique, and the equipment amount of employing is large, and operation technique is complicated, and cost is high.
Summary of the invention
In order to change traditional approach, the invention provides a kind of cost-saving, jetting Sidetracking of comparing environmental protection.The present invention is achieved by the following technical solutions: a kind of jetting Sidetracking, and the job step of this technique is as follows:
(1) production tube is tripped out;
(2) at production tube end, location and steering tool are installed;
(3) under, instrument is to assigned address, and the period outlet of steering tool is pointed to and can be located with gyro as required;
(4) tool for milling window in casing is connected with continuous-tube, enters under from oil pipe;
(5) drill bit and flexible shaft are leading by vertical duction level in footwear, and position of opening treated by bit contact sleeve pipe;
(6) start ground high-pressure pump, cleaner for high-pressure drilling fluid is flowed to down-hole screw motor by continuous-tube, drives bit drills sleeve pipe;
(7) ground control system transfers continuous-tube, completes the operation of windowing of sleeve pipe;
(8), after completing casing sidetracking operation, from oil pipe, the tool for milling window in casings such as screw motor, flexible shaft and drill bit are tripped out by continuous-tube;
(9) high-pressure hose one end is connected with self-propelled swivel nozzle, and the other end is connected with continuous-tube, will enter in oil pipe under high-pressure hose and self-propelled swivel nozzle by coiled tubing unit;
(10) start ground high-pressure pump, the active force produced between the high-speed jet that self-propelled swivel nozzle sprays backward and tube inner wall is nozzle and high-pressure hose smooth under enter to provide tractive force;
(11) leading footwear guides nozzle and high-pressure hose by after collar aperture, and regulate pressure and the flow of ground high-pressure pump, self-propelled swivel nozzle realizes formation by the corrosion function spraying high-speed jet and breaks rock, boring, finally completes the drillng operation of net horizontal section;
(12) complete after this orientation horizontal segment creeps into, regulate pilot hole orientation, proceed the boring of next casing sidetracking and jetting is crept into.
The usefulness of this invention is: this invention, by the technology mode of rotary drilling-head casing sidetracking and hydraulic jetting drilling-well, same set of tube section can complete the multiple-limb well of 4-6 100 meters long diameter 2-3 cun.Only need jetting sidetracking device, downhole tool and water-tank lorry, reduce equipment use amount; The individual well operation of 4 branches within 2-3 days, can be completed, save a large amount of activity duration, reduce operating cost; Use clear water or acid solution as drilling fluid, each Multilateral Wells approximately needs 5m3, compares environmental protection.
Accompanying drawing explanation
Fig. 1 is a kind of process flow diagram of jetting Sidetracking.
Detailed description of the invention
Below, by reference to the accompanying drawings and detailed description of the invention, the present invention is described further:
As shown in Figure 1, the invention provides a kind of jetting Sidetracking, the job step of this technique is as follows:
(1) production tube is tripped out;
(2) at production tube end, location and steering tool are installed;
(3) under, instrument is to assigned address, and the period outlet of steering tool is pointed to and can be located with gyro as required;
(4) tool for milling window in casing is connected with continuous-tube, enters under from oil pipe;
(5) drill bit and flexible shaft are leading by vertical duction level in footwear, and position of opening treated by bit contact sleeve pipe;
(6) start ground high-pressure pump, cleaner for high-pressure drilling fluid is flowed to down-hole screw motor by continuous-tube, drives bit drills sleeve pipe;
(7) ground control system transfers continuous-tube, completes the operation of windowing of sleeve pipe;
(8), after completing casing sidetracking operation, from oil pipe, the tool for milling window in casings such as screw motor, flexible shaft and drill bit are tripped out by continuous-tube;
(9) high-pressure hose one end is connected with self-propelled swivel nozzle, and the other end is connected with continuous-tube, will enter in oil pipe under high-pressure hose and self-propelled swivel nozzle by coiled tubing unit;
(10) start ground high-pressure pump, the active force produced between the high-speed jet that self-propelled swivel nozzle sprays backward and tube inner wall is nozzle and high-pressure hose smooth under enter to provide tractive force;
(11) leading footwear guides nozzle and high-pressure hose by after collar aperture, and regulate pressure and the flow of ground high-pressure pump, self-propelled swivel nozzle realizes formation by the corrosion function spraying high-speed jet and breaks rock, boring, finally completes the drillng operation of net horizontal section;
(12) complete after this orientation horizontal segment creeps into, regulate pilot hole orientation, proceed the boring of next casing sidetracking and jetting is crept into.
This invention adopts ground installation and downhole tool on sleeve pipe and cement sheath, directly bore the hole of 20-30mm diameter, then carry out horizontal section wellbore jetting to creep into, instrument completes vertical turning to level in sleeve pipe, can carry out 4-6 operation on same set of tube section.Need following three steps:
(1) trip out production tube, location and steering tool are arranged on oil pipe end, lower instrument is to assigned address, and the outlet of steering tool is pointed to and can be located with gyro as required.
(2) casing sidetracking.Tool for milling window in casing is connected with continuous-tube, enters under from oil pipe.Drill bit and flexible shaft are leading by vertical duction level in footwear, and position of opening treated by bit contact sleeve pipe.Start ground high-pressure pump, cleaner for high-pressure drilling fluid is flowed to down-hole screw motor by continuous-tube, drives bit drills sleeve pipe.Along with creeping into, ground control system transfers continuous-tube, completes the operation of windowing of sleeve pipe.After completing casing sidetracking operation, from oil pipe, tripped out the tool for milling window in casings such as screw motor, flexible shaft and drill bit by continuous-tube.
(3) horizontal segment jetting is crept into.High-pressure hose one end is connected with self-propelled swivel nozzle, and the other end is connected with continuous-tube.To enter in oil pipe under high-pressure hose and self-propelled swivel nozzle by coiled tubing unit, start ground high-pressure pump, the active force produced between the high-speed jet that self-propelled swivel nozzle sprays backward and tube inner wall be nozzle and high-pressure hose smooth under enter to provide tractive force.Leading footwear guides nozzle and high-pressure hose by after collar aperture, and regulate pressure and the flow of ground high-pressure pump, self-propelled swivel nozzle realizes formation by the corrosion function spraying high-speed jet and breaks rock, boring, finally completes the drillng operation of net horizontal section.Complete after this orientation horizontal segment creeps into, regulate pilot hole orientation, proceed the boring of next casing sidetracking and jetting is crept into.
Realize casing sidetracking by the present invention and spray sidetracking, will meet 5-1/2 ", 6-5/8 ", 7 " and 9 5/8 " sleeve pipe and 2-7/8 ", " oil pipe construction, horizontal drilling length can reach 120m to 3-1/2.Complete 4 wells on same set of tube section and need 2-4 days activity durations, each Multilateral Wells approximately needs 3m3 jet drilling liquid, compares other sidetrackings and namely saves time, have cost-saving.
Claims (2)
1. a jetting Sidetracking, is characterized in that, the job step of this technique is as follows:
(1) production tube is tripped out;
(2) at production tube end, location and steering tool are installed;
(3) under, instrument is to assigned address;
(4) tool for milling window in casing is connected with continuous-tube, enters under from oil pipe;
(5) drill bit and flexible shaft are leading by vertical duction level in footwear, and position of opening treated by bit contact sleeve pipe;
(6) start ground high-pressure pump, cleaner for high-pressure drilling fluid is flowed to down-hole screw motor by continuous-tube, drives bit drills sleeve pipe;
(7) ground control system transfers continuous-tube, completes the operation of windowing of sleeve pipe;
(8), after completing casing sidetracking operation, from oil pipe, the tool for milling window in casings such as screw motor, flexible shaft and drill bit are tripped out by continuous-tube;
(9) high-pressure hose one end is connected with self-propelled swivel nozzle, and the other end is connected with continuous-tube, will enter in oil pipe under high-pressure hose and self-propelled swivel nozzle by coiled tubing unit;
(10) start ground high-pressure pump, the active force produced between the high-speed jet that self-propelled swivel nozzle sprays backward and tube inner wall is nozzle and high-pressure hose smooth under enter to provide tractive force;
(11) leading footwear guides nozzle and high-pressure hose by after collar aperture, and regulate pressure and the flow of ground high-pressure pump, self-propelled swivel nozzle realizes formation by the corrosion function spraying high-speed jet and breaks rock, boring, finally completes the drillng operation of net horizontal section;
(12) complete after this orientation horizontal segment creeps into, regulate pilot hole orientation, proceed the boring of next casing sidetracking and jetting is crept into.
2. a kind of jetting Sidetracking according to claim 1, is characterized in that: in step (3) as claimed in claim 1, and lower instrument is in the step of specific bit, and the period outlet of steering tool is pointed to and can be located with gyro as required.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510251665.4A CN104832092A (en) | 2015-05-18 | 2015-05-18 | Hydraulic jet sidetracking process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510251665.4A CN104832092A (en) | 2015-05-18 | 2015-05-18 | Hydraulic jet sidetracking process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104832092A true CN104832092A (en) | 2015-08-12 |
Family
ID=53810236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510251665.4A Pending CN104832092A (en) | 2015-05-18 | 2015-05-18 | Hydraulic jet sidetracking process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104832092A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105507814A (en) * | 2016-01-22 | 2016-04-20 | 廊坊开发区中油化油气技术服务有限公司 | Coiled tubing conveyance type hydraulic jet drilling device for coal-bed gas wells and technological method of coiled tubing conveyance type hydraulic jet drilling device for coal-bed gas wells |
| CN109594921A (en) * | 2018-10-23 | 2019-04-09 | 中国石油天然气集团有限公司 | Jet stream drillability evaluates the method that radial well is applicable in stratum running parameter |
| CN109594922A (en) * | 2018-10-23 | 2019-04-09 | 中国石油天然气集团有限公司 | The method that water jet bores radial well operations |
| CN109882134A (en) * | 2019-04-12 | 2019-06-14 | 中国地质科学院勘探技术研究所 | A kind of non-diagenesis gas hydrates drilling method in sea area |
| CN113685138A (en) * | 2021-08-12 | 2021-11-23 | 中煤科工集团西安研究院有限公司 | Continuous pipe multi-section tool string for drilling of extremely-small-radius horizontal well and construction method |
| CN114183076A (en) * | 2020-09-15 | 2022-03-15 | 中国石油天然气股份有限公司 | Hydraulic jet drilling pipe column and hydraulic jet drilling method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000050727A1 (en) * | 1999-02-23 | 2000-08-31 | Lti Joint Ventures | Horizontal drilling method and apparatus |
| US6189629B1 (en) * | 1998-08-28 | 2001-02-20 | Mcleod Roderick D. | Lateral jet drilling system |
| US6920945B1 (en) * | 2001-11-07 | 2005-07-26 | Lateral Technologies International, L.L.C. | Method and system for facilitating horizontal drilling |
| CN101429848A (en) * | 2007-11-06 | 2009-05-13 | 中国石油大学(北京) | Method apparatus and for hydraulic jet side drilling radial branching borehole |
| CN101824966A (en) * | 2010-05-11 | 2010-09-08 | 上海宏睿油气田径向井技术服务有限公司 | Device for jetting ultrashort radius horizontal hole by using high-pressure water |
| CN102312655A (en) * | 2011-09-02 | 2012-01-11 | 肇东华蓥油田钻采技术服务有限公司 | Radial hydraulic jetting drilling technology |
| CN104033106A (en) * | 2014-06-17 | 2014-09-10 | 中国石油大学(华东) | Radial sidetrack drilling rotating self-propelled porous jet flow drill bit |
-
2015
- 2015-05-18 CN CN201510251665.4A patent/CN104832092A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6189629B1 (en) * | 1998-08-28 | 2001-02-20 | Mcleod Roderick D. | Lateral jet drilling system |
| WO2000050727A1 (en) * | 1999-02-23 | 2000-08-31 | Lti Joint Ventures | Horizontal drilling method and apparatus |
| US6920945B1 (en) * | 2001-11-07 | 2005-07-26 | Lateral Technologies International, L.L.C. | Method and system for facilitating horizontal drilling |
| CN101429848A (en) * | 2007-11-06 | 2009-05-13 | 中国石油大学(北京) | Method apparatus and for hydraulic jet side drilling radial branching borehole |
| CN101824966A (en) * | 2010-05-11 | 2010-09-08 | 上海宏睿油气田径向井技术服务有限公司 | Device for jetting ultrashort radius horizontal hole by using high-pressure water |
| CN102312655A (en) * | 2011-09-02 | 2012-01-11 | 肇东华蓥油田钻采技术服务有限公司 | Radial hydraulic jetting drilling technology |
| CN104033106A (en) * | 2014-06-17 | 2014-09-10 | 中国石油大学(华东) | Radial sidetrack drilling rotating self-propelled porous jet flow drill bit |
Non-Patent Citations (2)
| Title |
|---|
| 余海棠: "水力喷射径向钻孔技术的现场试验", 《复杂油气藏》 * |
| 黄中伟等: "水力喷射侧钻径向微小井眼技术", 《石油钻探技术》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105507814A (en) * | 2016-01-22 | 2016-04-20 | 廊坊开发区中油化油气技术服务有限公司 | Coiled tubing conveyance type hydraulic jet drilling device for coal-bed gas wells and technological method of coiled tubing conveyance type hydraulic jet drilling device for coal-bed gas wells |
| CN109594921A (en) * | 2018-10-23 | 2019-04-09 | 中国石油天然气集团有限公司 | Jet stream drillability evaluates the method that radial well is applicable in stratum running parameter |
| CN109594922A (en) * | 2018-10-23 | 2019-04-09 | 中国石油天然气集团有限公司 | The method that water jet bores radial well operations |
| CN109882134A (en) * | 2019-04-12 | 2019-06-14 | 中国地质科学院勘探技术研究所 | A kind of non-diagenesis gas hydrates drilling method in sea area |
| CN109882134B (en) * | 2019-04-12 | 2021-11-23 | 中国地质科学院勘探技术研究所 | Sea area non-diagenetic natural gas hydrate drilling and production method |
| CN114183076A (en) * | 2020-09-15 | 2022-03-15 | 中国石油天然气股份有限公司 | Hydraulic jet drilling pipe column and hydraulic jet drilling method |
| CN113685138A (en) * | 2021-08-12 | 2021-11-23 | 中煤科工集团西安研究院有限公司 | Continuous pipe multi-section tool string for drilling of extremely-small-radius horizontal well and construction method |
| CN113685138B (en) * | 2021-08-12 | 2023-08-15 | 中煤科工集团西安研究院有限公司 | Coiled tubing multi-section tool string for drilling of horizontal well with minimum radius and construction method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104832092A (en) | Hydraulic jet sidetracking process | |
| CN104033106B (en) | Radial sidetracking rotates self-advancing type multiple jet drill bit | |
| CN101429848B (en) | Method and apparatus for hydraulic jet side drilling for radial branching borehole | |
| CN102926730B (en) | Mining method for support pipe following air liquid spraying and drilling into coal bed gas of radial well | |
| CN101498210B (en) | Coal bed gas slim-hole hydraulic jet orienting fracturing yield increasing method | |
| CN104912479B (en) | Method for drilling and completion of horizontal branched well for coal bed gas | |
| CA2943638C (en) | Production enhancement system using robot drill for drilling multi-branched fishbone and radial microholes in shale gas reservoir, and method thereof | |
| CN107461186B (en) | Branch well reservoir transformation device and transformation method | |
| CN203905824U (en) | Rotary self-propelled type multi-hole jet drill bit for radial side tracking | |
| US20190162025A1 (en) | Method of enhanced oil recovery and intensification of production from oil, gas and condensate wells by means of hydromonitor radial overbalance formation penetration | |
| CN104847263A (en) | Coal bed methane far-end butt joint horizontal well drilling method | |
| CN105089499A (en) | Coal mine downhole hydraulic jet tree-shaped drill hole guide device and method | |
| CN107288540A (en) | A kind of oil/gas drilling volume increase connection makees device and method | |
| WO2018016996A1 (en) | Method of increasing the hydrocarbon output of formations and stimulating the production of oil and gas condensate wells | |
| CN105569620A (en) | Method and device for deep penetration perforation used in well completion of open hole well | |
| CN106837171B (en) | A kind of compact reservoir radial direction boring means external member | |
| CN105507814A (en) | Coiled tubing conveyance type hydraulic jet drilling device for coal-bed gas wells and technological method of coiled tubing conveyance type hydraulic jet drilling device for coal-bed gas wells | |
| CN104912480B (en) | Coal bed gas near-end docks the brill completion method of horizontal well | |
| CN204002560U (en) | The hose assembly of traction certainly for horizontal branch jet drilling | |
| AU2018373161B2 (en) | Annular pressure reduction system for horizontal directional drilling | |
| CN105625945B (en) | Drilling equipment and its boring method for low permeability reservoir | |
| CN204729006U (en) | A kind of jetting sidetracking device and down hole tool system | |
| CN111663901A (en) | Flexible pipe jet drilling construction method | |
| CN108868614B (en) | High-pressure hose and hydraulic jet radial drilling method | |
| CN210422491U (en) | Continuous steel rod conveying hydraulic radial drilling process pipe column |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 257100 Shandong Province, Dongying District, South Road, No. two, Shengli Industrial Park Road, No. 9 Applicant after: Shandong Kerui oilfield services group Limited by Share Ltd Address before: 257100 Shandong Province, Dongying District, South Road, No. two, Shengli Industrial Park Road, No. 9 Applicant before: Shandong Ke Rui international oil gas project Co., Ltd |
|
| CB02 | Change of applicant information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150812 |
|
| RJ01 | Rejection of invention patent application after publication |