CN115075793A - Unlimited-level intelligent sliding sleeve - Google Patents
Unlimited-level intelligent sliding sleeve Download PDFInfo
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- CN115075793A CN115075793A CN202210773755.XA CN202210773755A CN115075793A CN 115075793 A CN115075793 A CN 115075793A CN 202210773755 A CN202210773755 A CN 202210773755A CN 115075793 A CN115075793 A CN 115075793A
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- dart
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Classifications
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- 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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/25—Methods for stimulating production
- E21B43/26—Methods for stimulating production by forming crevices or fractures
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- 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
- E21B34/063—Valve or closure with destructible element, e.g. frangible disc
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- 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
- E21B34/14—Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
- E21B34/142—Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools unsupported or free-falling elements, e.g. balls, plugs, darts or pistons
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- 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
- E21B2200/00—Special features related to earth drilling for obtaining oil, gas or water
- E21B2200/06—Sleeve valves
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manipulator (AREA)
- Actuator (AREA)
Abstract
The invention relates to a petroleum and natural gas fracturing tool, in particular to an infinite intelligent sliding sleeve, which has the following specific technical scheme: the infinite intelligent sliding sleeve comprises a sliding sleeve part, a dart part and a control part; the sliding sleeve part comprises an upper sleeve, a lower sleeve and a piston; the dart part comprises an inner tube, an upper buckle, a lower buckle, a fracturing ball, a ball seat clamping sleeve, a ball seat clamping chuck, a rubber cup, a positioning pin, a transmission shaft, a support shaft, a transmission gear and a bearing; the control circuit comprises a strain sensor, an acquisition circuit, a control circuit, a power supply and a driving motor. The dart has activation and unactivated two kinds of states, and the dart initial condition is the unactivated state, and the in-process of puting in can be freely through arbitrary sliding sleeve, and the dart carries out a count through a sliding sleeve, and when the former sliding sleeve of target location, the dart never activated switches to the activation state, opens the piston and forms the fracturing piston on the opening sleeve pipe of suppressing pressure when arriving appointed sliding sleeve, realizes the fracturing effect.
Description
Technical Field
The invention relates to a petroleum and natural gas fracturing tool, in particular to an infinite intelligent fracturing sliding sleeve, and belongs to the technical field of oil and gas field fracturing.
Background
Under the condition that oil and gas resources are continuously and deeply produced and exploited, the number of unconventional oil and gas wells with low porosity and low permeability is continuously increased, and the difficulty of oil field production and exploitation is gradually increased. The position of compact oil gas in the strategic deployment of energy is increasingly prominent, but is influenced by a plurality of adverse factors such as compact storage space, strong heterogeneity, poor oil gas saturation and the like, the exploitation difficulty is high, and more sections are needed to use the reserve and release the capacity. The horizontal well staged fracturing technology is fully utilized in the actual exploitation process of the oil field, the oil field yield is effectively improved, and the method is a very wide yield increasing means for the current oil field. In recent years, horizontal well multistage staged fracturing is developed into a main means for effective development of unconventional oil and gas reservoirs.
The fracturing sliding sleeve is one of core components of a staged fracturing tool of the horizontal well and is a key for influencing the staged number of the horizontal well. The conventional ball injection sliding sleeve has the defects of limited stage number, limited segment number, high difficulty in building a high-yield well, insufficient flow channel, large unswept crack area, large residual reserve and pressure and resource waste; technologies such as pumping bridge plugs, oil connecting and dragging fracturing can meet the requirement of the stage number, but the limitations that fracturing construction is discontinuous, operation time is long, pipe column operation is required and the like exist, and a horizontal well staged fracturing tool which is more convenient to operate and has stronger functions is required.
Disclosure of Invention
Aiming at the technical defects, the invention provides the infinite intelligent fracturing sliding sleeve, which can realize infinite and switch dart states by acquiring signals to realize accurate identification of the sliding sleeve part.
The technical scheme of the invention is as follows: an infinite intelligent sliding sleeve comprises a sliding sleeve part, a dart part and a control part; the sliding sleeve part comprises an upper sleeve, a lower sleeve, a nozzle plug and a fracturing piston; the dart part comprises a ball seat chuck, a fracturing ball seat, a ball seat screw, an activation sleeve, a transmission shaft, a movable sealing ring, a buckle sealing ring, a driving gear, a driving motor, a buckle sealing ring, an inner pipe, a fracturing ball, a chuck screw, an upper buckle, sealing oil, a lower buckle, a positioning pin and a rubber cup; the control part comprises a signal detection and detection unit, a signal acquisition circuit, a signal modulation module, an operational amplification circuit, a filter circuit, an MCU core main control module, a motor driving circuit and a power supply module.
The sliding sleeve part and the casing are put into a well together, and the upper sleeve and the lower sleeve are threaded.
The upper sleeve is circumferentially and uniformly provided with 6 fracturing holes, the upper end of the upper sleeve is connected with the sleeve, and the lower end of the upper sleeve is connected with the lower sleeve.
The spout plug is arranged in the fracturing hole of the upper sleeve.
Ball seat chuck circumference distribute have 12 jack catchs, the inside bend of jack catch point end, the internal diameter is the same with fracturing ball diameter, fixed axial displacement can be realized to the fracturing ball, ball seat chuck base is equipped with the screw hole, is connected with the fracturing ball seat through chuck screw.
The fracturing ball seat both ends two be equipped with the screw hole that four circumference distribute, one end and ball seat chuck connection, one end and inner tube connection, the lower extreme of fracturing ball seat is equipped with the internal spline, with the internal spline cooperation of inner tube upper end, four counter bores of terminal surface equipartition down for installation support bearing.
The inner tube be equipped with external splines, seal groove, sealed cavity, pin hole, leather bowl groove and six rectangle overflow grooves.
Two through holes and threaded holes are symmetrically distributed on the activating sleeve.
The upper end of the buckle is provided with 12 clamping jaws which are uniformly distributed in the circumferential direction, the tip ends of the clamping jaws are in a trapezoidal shape, the lower end of the clamping jaws is provided with internal threads which are connected with the lower buckle, the middle part of the buckle is provided with 4 through holes which are uniformly distributed in the circumferential direction, and one end of each through hole is provided with a counter bore with a larger diameter for installing a supporting bearing; four of the 12 clamping jaws are provided with rectangular grooves at intervals of 90 degrees on the outer end face, and the rectangular grooves are used for mounting a strain sensor.
The lower buckle upper end be equipped with the external screw thread and be connected with last buckle, the lower extreme is equipped with 4 through-holes that correspond with the last round pin hole of inner tube for installation positioning pin decides.
A sealed cavity is formed among the inner tube, the buckle and the lower buckle, and a control part is arranged in the sealed cavity and comprises a driving motor, a transmission gear and a PCB.
The rubber cup is the same as the cup groove on the inner tube in shape, and a rectangular groove with a certain width is formed in the opening part of the cup.
The signal detection unit comprises four strain sensors and a signal transmission cable, the strain sensors are arranged in clamping jaws at the upper ends of the clamping buckles, and the strain sensors and the signal transmission cable are sealed and protected through a welding method after the strain sensors and the signal transmission cable are installed.
The invention has the beneficial effects that: (1) the design of the deformable buckle enables the dart part to realize diameter change under the action of pressure when the dart part is in an inactivated state, so that the dart part can pass through pistons of any number of stages; when the fracturing fluid is in an activated state, the buckle cannot deform, and pressure cannot be held out through the piston, so that the fracturing effect is realized. (2) The control part accurately positions the position of the designated sliding sleeve by acquiring and identifying signals of the strain sensor, so that accurate fracturing operation is realized. (3) The sensor transmits the acquired deformation signal to the control part, and the control part controls the driving motor to activate the dart part, so that the blockage of the flow channel meets the fracturing requirement of unlimited stages.
Drawings
FIG. 1 is a structural diagram of the infinite intelligent sliding sleeve of the present invention;
fig. 2 is a structural diagram of an activation state of the infinite intelligent sliding sleeve according to the invention;
FIG. 3 is a schematic view of a ball holder chuck configuration;
FIG. 4 is a schematic diagram of a fracturing ball seat structure;
FIG. 5 is a schematic view of an inner tube construction;
fig. 6 is a schematic view of a snap structure.
Part names marked in the drawings: 1-a ball seat chuck, 2-a fracturing ball seat, 3-a ball seat screw, 4-an activation sleeve, 5-a transmission shaft, 6-a dynamic sealing ring, 7-a buckle sealing ring, 8-a driving gear, 9-a driving motor, 10-an inner tube sealing ring, 11-an inner tube, 12-a fracturing ball, 13-a chuck screw, 14-an upper sleeve, 15-a support bearing, 16-a spout plug, 17-a fracturing piston, 18-an upper buckle, 19-sealing grease, 20-a lower sleeve, 21-a PCB (printed circuit board), 22-a lower buckle, 23-a positioning pin and 24-a rubber cup.
Detailed Description
For convenience of description, the description of the relative position relationship of the components is described according to the mode of the specification and the attached drawing 1, and the description comprises the following steps: the upper and lower positional relationships are determined in accordance with the orientation of fig. 1 of the specification.
The invention is further described below with reference to the accompanying drawings:
referring to the attached figure 1, the infinite intelligent sliding sleeve comprises a sliding sleeve part, a dart part and a control part; wherein the sliding sleeve part comprises an upper sleeve 14, a lower sleeve 20, a nozzle plug 16 and a fracturing piston 17; the dart part comprises a ball seat chuck 1, a fracturing ball seat 2, a ball seat screw 3, an activation sleeve 4, a transmission shaft 5, a movable sealing ring 6, a buckle sealing ring 7, a driving gear 8, a driving motor 9, an inner pipe sealing ring 10, an inner pipe 11, a fracturing ball 12, a chuck screw 13, an upper buckle 18, sealing grease 19, a lower buckle 22, a positioning pin 23 and a rubber cup 24; wherein the control section includes: the device comprises a signal detection unit, a signal acquisition circuit, a modulation signal module, an operational amplification circuit, a filter circuit, an MCU (microprogrammed control unit) core main control module, a motor driving circuit and a power supply module.
The sliding sleeve part and the casing are put into a well together, the casing is provided with the sliding sleeve part at intervals, the well depth can be obtained by calculating the number of the sliding sleeve parts in the casing, and therefore the infinite intelligent sliding sleeve can conveniently identify the number of the stages and fracture the infinite intelligent sliding sleeve.
The infinite intelligent sliding sleeve comprises an inactivated state and an activated state, wherein the inactivated state is shown in the attached drawing 1, and the activated state is shown in the attached drawing 2. When the infinite intelligent sliding sleeve is in an inactivated state, the piston 17 is fixed with the upper sleeve 14 through a pin, at the moment, the activating sleeve 4 in the dart part is in an initial position, when the dart passes through the piston 17, the trapezoidal surface at the upper end of the upper buckle 18 is contacted with the piston 17, and the tip of the upper buckle 18 deforms and bends inwards under the action of pressure so as to pass through the piston 17; when the infinite intelligent sliding sleeve is changed from an inactivated state to an activated state, the transmission shaft 5 is driven by the driving motor 9 to rotate to drive the activating sleeve 4 to move downwards to limit the inward deformation of the upper buckle 18, at the moment, the dart passes through the piston, and due to the limiting effect of the activating sleeve 4, the tip of the upper buckle 18 cannot deform, so that the dart cannot pass through the piston to form suppressed pressure, a pin between the piston 17 and the upper sleeve 14 is cut off under the action of pressure, the dart drives the piston 17 to move downwards to expose the nozzle plug 16 in fracturing fluid, and as the pressure increases, the nozzle plug 16 is opened to realize the fracturing effect.
Ball seat chuck 1 through the screw hole 102 of four circumference equipartitions fixed with fracturing ball seat 2, it has 12 deformable spacing claws 101 to distribute on the ball seat chuck 1, spacing claw 101 most advanced bent part carries out the axial spacing to fracturing ball 12, realizes that fracturing ball 12 has fixed axial displacement, guarantees not form the suppressed pressure again simultaneously with dart part separation at input in-process pressure ball 12, spacing claw 101 has the flexibility and makes fracturing ball 12 install simpler and easier.
The upper end of the inner pipe 11 is provided with an external spline 111 which is matched with an internal spline 201 of the fracturing ball seat 2; the sealing groove 112, the sealing groove 113 and the sealing groove 114 are used for installing an O-shaped sealing ring to realize a sealing effect and prevent external fracturing fluid from entering a sealing cavity to damage a control part; the rectangular cavity 118 on the inner tube 44 and the lower buckle 22 form a cavity after being assembled, and the PCB 21, the driving motor 9, the driving gear 8 and the power supply of the control system are arranged in the cavity; the positioning hole 115 corresponds to the positioning hole on the lower buckle 22, the lower buckle 22 and the inner tube 11 are completely fixed after the positioning pin 23 is installed, and meanwhile, the upper buckle 18 and the lower buckle 22 are connected through threads, so that the upper buckle 18 and the inner tube 11 are also completely fixed; the leather cup groove 117 is used for installing a rubber leather cup; the lower end of the inner pipe 11 is provided with six rectangular diversion trenches 116 for preventing the fracturing ball 12 of the lower sliding sleeve from blocking the flow channel during backflow.
The control part comprises: the device comprises a signal monitoring and detecting unit, a signal acquisition circuit, a modulation signal module, an operational amplification circuit, a filter circuit, an MCU (microprogrammed control unit) core main control module, a motor driving circuit and a power supply module. The specific implementation mode is as follows: the dart part starts counting after being put in, when the dart part passes through a fracturing piston 17 of a sliding sleeve part, an upper buckle 18 deforms once, a strain sensor arranged in the upper buckle 11 collects deformation signals and transmits the signals to a signal collecting circuit, the signals are modulated, amplified and filtered by a modulating signal module and an operational amplifying circuit, the signals are identified by a main control chip, if the signals are identified as effective deformation signals, the signals are counted once, and so on, when the counting number reaches the previous sliding sleeve of a target sliding sleeve, a MCU core main control module drives a driving motor 9 through a motor driving circuit, the driving motor 9 drives a transmission shaft 5 to rotate through a driving gear 8, the transmission shaft 5 drives an activation sleeve 4 to move, activation of the dart part is realized, and the upper buckle 18 can be limited only by moving a small distance because the activation sleeve 4, therefore, the dart part only needs a short time from the inactivated state to the activated state, and the time is shorter than the time for moving the dart part from one sliding sleeve to the other sliding sleeve, so that the accuracy of the fracturing series is ensured.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention, and it should be understood that the above-mentioned embodiments are only illustrative of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. Unlimited level intelligence sliding sleeve, its characterized in that: comprises a sliding sleeve part, a dart part and a control part;
the sliding sleeve part comprises an upper sleeve (14), a lower sleeve (20), a piston (17) and a fracturing plug (16);
the dart part comprises a dart part body, wherein the dart part body comprises a ball seat chuck (1), a fracturing ball seat (2), a ball seat screw (3), an activation sleeve (4), a transmission shaft (5), a movable sealing ring (6), a buckle sealing ring (7), a driving gear (8), a driving motor (9), an inner pipe sealing ring (10), an inner pipe (11), a fracturing ball (12), a chuck screw (13), a support bearing (15), an upper buckle (18), sealing grease (19), a PCB (21), a lower buckle (22), a positioning pin (23) and a rubber cup (24);
the control section includes: the signal detection unit, the signal acquisition circuit, the modulation signal module, the operational amplification circuit, the filter circuit, MCU core main control module, motor drive circuit and power supply module to integrated in the PCB board.
2. The infinite intelligent sliding sleeve according to claim 1, wherein: the upper sleeve (14) is in threaded connection with the lower sleeve (20), the piston (17) is fixed with the upper sleeve (14) through a pin, the upper sleeve (14) is provided with axially distributed fracturing holes, and each fracturing hole is provided with a fracturing plug (16).
3. The infinite intelligent sliding sleeve according to claim 1, wherein: one end of the buckle (18) is of a claw-shaped structure, a step surface is arranged at the top end of the outer side of the claw-shaped structure, four axial through holes are formed in the middle of the claw-shaped structure, the other end of the claw-shaped structure is in threaded connection with the lower buckle (22), and the lower buckle (22) is fixed with the inner tube (11) through the positioning pin (23).
4. The infinite intelligent sliding sleeve according to claim 1, wherein: ball seat chuck (1) fix through chuck screw (13) with fracturing ball seat (2) inner tube (11) and fracturing ball seat (2) be equipped with the spline groove of mutually supporting to carry out axial fixity through ball seat screw (3) inner tube (11) be equipped with two symmetric distribution's rectangle cavity and with lower buckle (22) formation sealed cavity, inner tube (11) top is equipped with recess and rubber leather cup (24) and joins in marriage and install.
5. The infinite intelligent sliding sleeve according to claim 1, wherein: activation sleeve (4) on be equipped with the through-hole corresponding with buckle (18), wherein the through-hole of two symmetric distributions is connected with transmission shaft (5) for the screw hole, transmission shaft (5) one end is connected with fracturing ball seat (2) through support bearing (15), the other end passes through support bearing (15) and is connected with buckle (18), and installs gear engagement on drive gear (8) and driving motor (9) on transmission shaft (5).
6. The infinite intelligent sliding sleeve according to claim 1, wherein: the driving motor (9), the power supply and the PCB (21) are arranged in the sealed cavity, and the strain sensor is located at the tip end of the buckle and transmits a collected signal to the PCB through a channel inside the buckle.
7. The infinite intelligent sliding sleeve according to claim 1, wherein: strain transducer can gather the most advanced deformation signal of buckle, the sliding sleeve is every through a piston, deformation takes place for the buckle, control system gathers the model of deformation and carries out a count, when the count number of times reachs the value of setting up, control system control driving motor activation sliding sleeve.
8. The infinite intelligent sliding sleeve according to claim 1, wherein: the dart has two states of activation and non-activation, wherein the non-activation state can freely pass through any sliding sleeve, and the activation state can not pass through the sliding sleeve; the dart initial state is the unactivated state, and the in-process of puting in can freely pass through arbitrary sliding sleeve, and during the preceding sliding sleeve of target location, the dart never activated switches to the activated state, can not pass through when reacing appointed sliding sleeve, forms the suppress pressure, and when pressure reached a definite value, open the nozzle stopper on the sleeve pipe, realization fracturing effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210773755.XA CN115075793B (en) | 2022-07-01 | 2022-07-01 | Infinite intelligent sliding sleeve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210773755.XA CN115075793B (en) | 2022-07-01 | 2022-07-01 | Infinite intelligent sliding sleeve |
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| CN115075793A true CN115075793A (en) | 2022-09-20 |
| CN115075793B CN115075793B (en) | 2023-07-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115822521A (en) * | 2022-12-14 | 2023-03-21 | 西南石油大学 | Electromagnetic infinite intelligent sliding sleeve |
Citations (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101899968A (en) * | 2008-12-15 | 2010-12-01 | 韦尔Spm公司 | Improved ball injector |
| US20110240311A1 (en) * | 2010-04-02 | 2011-10-06 | Weatherford/Lamb, Inc. | Indexing Sleeve for Single-Trip, Multi-Stage Fracing |
| US20130112436A1 (en) * | 2011-11-08 | 2013-05-09 | John Fleming | Completion Method for Stimulation of Multiple Intervals |
| US20130206402A1 (en) * | 2010-10-06 | 2013-08-15 | Robert Joe Coon | Actuation dart for wellbore operations, wellbore treatment apparatus and method |
| CN203201541U (en) * | 2013-04-14 | 2013-09-18 | 荆州市赛瑞能源技术有限公司 | Fracturing sliding sleeve |
| CN203463072U (en) * | 2013-09-05 | 2014-03-05 | 西南石油大学 | Novel inner ball valve tool |
| CN104047571A (en) * | 2013-03-14 | 2014-09-17 | 深圳市百勤石油技术有限公司 | Input type staged fracturing sliding sleeve switch controller and use method thereof |
| CN105386749A (en) * | 2015-06-17 | 2016-03-09 | 周再乐 | Novel fracturing tool |
| CN105401917A (en) * | 2015-10-26 | 2016-03-16 | 东北石油大学 | Full-diameter infinite order cam shaft switch type fracture sliding sleeve |
| CN205778702U (en) * | 2016-05-19 | 2016-12-07 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | A kind of have the Y111 type compression packer setting startup lock function |
| CN106677755A (en) * | 2017-01-13 | 2017-05-17 | 东北石油大学 | Full-bore multistage-key switch type fracturing slide sleeve |
| CN206801541U (en) * | 2017-05-16 | 2017-12-26 | 中国石油化工股份有限公司 | A kind of casing fracturing sliding sleeve |
| CN108798597A (en) * | 2018-08-17 | 2018-11-13 | 东营市瑞丰石油技术发展有限责任公司 | Infinite stages full-bore sliding sleeve |
| CN109267965A (en) * | 2017-07-17 | 2019-01-25 | 中石化石油工程技术服务有限公司 | A kind of downhole electric control sliding sleeve switch instrument |
| CN208885268U (en) * | 2018-08-02 | 2019-05-21 | 西南石油大学 | Borehole wall water enchroachment (invasion) imitative experimental appliance under a kind of high temperature and pressure |
| CN111088959A (en) * | 2019-07-10 | 2020-05-01 | 东北石油大学 | Countable underground full-bore fracturing sliding sleeve |
| US20200270960A1 (en) * | 2019-02-21 | 2020-08-27 | Advanced Upstream Ltd. | Dart with changeable exterior profile |
| CN111601948A (en) * | 2017-11-21 | 2020-08-28 | Sc 资产有限公司 | Collet with ball actuated expandable seal and/or pressure enhanced radially expandable spline |
| CN112049605A (en) * | 2020-09-26 | 2020-12-08 | 东北石油大学 | Underground full-bore infinite-stage ball-throwing counting fracturing sliding sleeve |
| CN113279725A (en) * | 2021-06-04 | 2021-08-20 | 西南石油大学 | Infinitely variable intelligent rotary dart sliding sleeve |
| CN214365927U (en) * | 2021-08-30 | 2021-10-08 | 西安威尔格德能源技术有限公司 | Electrically controlled release nipple |
-
2022
- 2022-07-01 CN CN202210773755.XA patent/CN115075793B/en active Active
Patent Citations (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101899968A (en) * | 2008-12-15 | 2010-12-01 | 韦尔Spm公司 | Improved ball injector |
| US20110240311A1 (en) * | 2010-04-02 | 2011-10-06 | Weatherford/Lamb, Inc. | Indexing Sleeve for Single-Trip, Multi-Stage Fracing |
| US20130206402A1 (en) * | 2010-10-06 | 2013-08-15 | Robert Joe Coon | Actuation dart for wellbore operations, wellbore treatment apparatus and method |
| US20130112436A1 (en) * | 2011-11-08 | 2013-05-09 | John Fleming | Completion Method for Stimulation of Multiple Intervals |
| CN104047571A (en) * | 2013-03-14 | 2014-09-17 | 深圳市百勤石油技术有限公司 | Input type staged fracturing sliding sleeve switch controller and use method thereof |
| CN203201541U (en) * | 2013-04-14 | 2013-09-18 | 荆州市赛瑞能源技术有限公司 | Fracturing sliding sleeve |
| CN203463072U (en) * | 2013-09-05 | 2014-03-05 | 西南石油大学 | Novel inner ball valve tool |
| CN105386749A (en) * | 2015-06-17 | 2016-03-09 | 周再乐 | Novel fracturing tool |
| CN105401917A (en) * | 2015-10-26 | 2016-03-16 | 东北石油大学 | Full-diameter infinite order cam shaft switch type fracture sliding sleeve |
| CN205778702U (en) * | 2016-05-19 | 2016-12-07 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | A kind of have the Y111 type compression packer setting startup lock function |
| CN106677755A (en) * | 2017-01-13 | 2017-05-17 | 东北石油大学 | Full-bore multistage-key switch type fracturing slide sleeve |
| CN206801541U (en) * | 2017-05-16 | 2017-12-26 | 中国石油化工股份有限公司 | A kind of casing fracturing sliding sleeve |
| CN109267965A (en) * | 2017-07-17 | 2019-01-25 | 中石化石油工程技术服务有限公司 | A kind of downhole electric control sliding sleeve switch instrument |
| CN111601948A (en) * | 2017-11-21 | 2020-08-28 | Sc 资产有限公司 | Collet with ball actuated expandable seal and/or pressure enhanced radially expandable spline |
| CN208885268U (en) * | 2018-08-02 | 2019-05-21 | 西南石油大学 | Borehole wall water enchroachment (invasion) imitative experimental appliance under a kind of high temperature and pressure |
| CN108798597A (en) * | 2018-08-17 | 2018-11-13 | 东营市瑞丰石油技术发展有限责任公司 | Infinite stages full-bore sliding sleeve |
| US20200270960A1 (en) * | 2019-02-21 | 2020-08-27 | Advanced Upstream Ltd. | Dart with changeable exterior profile |
| CN111088959A (en) * | 2019-07-10 | 2020-05-01 | 东北石油大学 | Countable underground full-bore fracturing sliding sleeve |
| CN112049605A (en) * | 2020-09-26 | 2020-12-08 | 东北石油大学 | Underground full-bore infinite-stage ball-throwing counting fracturing sliding sleeve |
| CN113279725A (en) * | 2021-06-04 | 2021-08-20 | 西南石油大学 | Infinitely variable intelligent rotary dart sliding sleeve |
| CN214365927U (en) * | 2021-08-30 | 2021-10-08 | 西安威尔格德能源技术有限公司 | Electrically controlled release nipple |
Non-Patent Citations (1)
| Title |
|---|
| 杨小城、李俊 等: "可溶桥塞试验研究及现场应用", 《石油机械》, pages 94 - 97 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115822521A (en) * | 2022-12-14 | 2023-03-21 | 西南石油大学 | Electromagnetic infinite intelligent sliding sleeve |
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