CN117231180A - Sandblasting perforation device and ultra-short radius horizontal well completion method - Google Patents
Sandblasting perforation device and ultra-short radius horizontal well completion method Download PDFInfo
- Publication number
- CN117231180A CN117231180A CN202311490451.3A CN202311490451A CN117231180A CN 117231180 A CN117231180 A CN 117231180A CN 202311490451 A CN202311490451 A CN 202311490451A CN 117231180 A CN117231180 A CN 117231180A
- Authority
- CN
- China
- Prior art keywords
- seat
- assembly
- nozzle assembly
- adjustment
- plate
- 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.)
- Granted
Links
Landscapes
- Nozzles (AREA)
Abstract
本申请提供喷砂射孔装置及超短半径水平井完井方法，涉及油井开采领域。喷砂射孔装置包括：喷管组件、双并紧调节组件和喷头组件。由于上端喷管组件的螺纹连接处松脱，鉴于螺纹传动原理，需要喷管组件沿轴向运动，而喷管组件的轴向运动受双并紧调节组件的压紧限制，形成上端喷管组件和双并紧调节组件连接处的锁紧限制，下端喷管组件和双并紧调节组件下端的连接与上方式相同，也可形成下端喷管组件和双并紧调节组件连接处的锁紧限制，进而有效提高喷管组件和双并紧调节组件的连接处的稳定性，双并紧调节组件的调节利用其双并紧调节组件上并紧的螺杆进行，减少再度设置螺杆驱动的机构，结构简单。
This application provides a sandblasting perforation device and an ultra-short radius horizontal well completion method, and relates to the field of oil well production. The sandblasting perforating device includes: nozzle assembly, double tightening adjustment assembly and nozzle assembly. Since the threaded connection of the upper nozzle assembly is loose, in view of the thread transmission principle, the nozzle assembly needs to move in the axial direction, and the axial movement of the nozzle assembly is limited by the compression of the double tightening adjustment assembly, forming the upper nozzle assembly The locking restriction at the connection between the lower end nozzle assembly and the lower end of the double parallel tightening adjustment assembly is the same as the above method. The locking restriction at the connection between the lower end nozzle assembly and the double parallel tightening adjustment assembly can also be formed. , thereby effectively improving the stability of the connection between the nozzle assembly and the double parallel tightening adjustment assembly. The adjustment of the double parallel tightening adjustment assembly is carried out by using the parallel tightening screws on the double parallel tightening adjustment assembly, reducing the need to re-install the screw drive mechanism and structure. Simple.
Description
Technical Field
The application relates to the technical field of oil well exploitation, in particular to a sand blasting perforation device and an ultra-short radius horizontal well completion method.
Background
During oil and gas exploitation, a perforation process is generally adopted to carry out sand blasting perforation on the inner side of an oil pipe, so that high-pressure liquid containing sand impacts a sleeve, a cement ring and a stratum, the inner side of a shaft is communicated with an oil layer, and oil and gas exploitation is facilitated.
In the related art, the spray pipes on the sand blasting perforation device are mutually connected through the adjusting mechanism, the adjusting mechanism adjusts the distance between the adjacent spray pipes, the spray pipes are conveniently subjected to sand blasting perforation, the spray pipes and the adjusting mechanism are sleeved, matched and sealed through the connecting rings and fixed through bolts, but in the mode, the first mode, the fastening between the spray pipes and the adjusting mechanism is only realized through the bolts, if the bolts are loosened or the adjusting mechanism is separated from the spray pipes in an underground oil well due to the working environment of the spray pipes, the recovery of the spray pipes or the adjusting mechanism is very difficult, so that the technical problem that needs to be considered is solved in terms of how to improve the connection stability between the spray pipes and the adjusting mechanism, the second mode and the adjusting mechanism are driven through independent threaded rods, corresponding adjusting guide and limiting are required to be arranged, and the structure is relatively complex.
Disclosure of Invention
The present application aims to solve at least one of the technical problems existing in the prior art. Therefore, the application provides the sand blasting perforation device and the ultra-short radius horizontal well completion method, the sand blasting perforation device effectively improves the stability of the joint of the spray pipe assembly and the double tightening adjusting assembly, the double tightening adjusting assembly adjusts by utilizing the screw rods on the double tightening adjusting assembly, and the mechanism for resetting the screw rod drive is reduced, and the structure is simple.
In a first aspect, embodiments of the present application provide a sand blasting perforating apparatus comprising: a spout assembly, a dual tightening adjustment assembly, and a spray assembly.
Adjacent connect through two tight regulation subassembly that closes between the spray tube subassembly, the upper end spray tube subassembly threaded connection in the inside of two tight regulation subassembly upper ends that close, two tight regulation subassembly upper ends of closing press in the spray tube subassembly of upper end, two tight regulation subassembly's lower extreme threaded connection that closes in the spray tube subassembly of lower extreme, two tight regulation subassembly lower extreme of closing press in the spray tube subassembly of lower extreme, the lower extreme threaded connection of spray tube subassembly of lower extreme in the shower nozzle subassembly, the shower nozzle subassembly compress tightly in the spray tube subassembly of lower extreme.
According to some embodiments of the application, the nozzle assembly comprises a nozzle, a first fixing seat, a first connecting seat, a first locking plate and a centralizer, wherein the first fixing seat is fixedly connected to the top end of the nozzle, the first connecting seat is fixedly connected to the bottom end of the nozzle, the first locking plate is in sliding sleeve connection with the nozzle, the first connecting seat is in threaded connection with the upper end of the double-tightening adjusting assembly, the double-tightening adjusting assembly drives the first locking plate to press the first connecting seat, the lower end of the double-tightening adjusting assembly is in threaded connection with the first fixing seat of the adjacent nozzle assembly, and the centralizer is fixedly in sleeve connection with the upper end of the nozzle.
According to some embodiments of the application, the first locking plate comprises an annular plate body, through holes are formed in the annular plate body at equal intervals, the upper ends of the double tightening adjusting assemblies penetrate through the through holes, and the upper ends of the double tightening adjusting assemblies are pressed against the periphery of the through holes.
According to some embodiments of the application, the first fixing seat comprises a fixing seat body, a first sealing ring and an annular connecting plate, wherein a first slope surface is arranged in the fixing seat body, the first sealing ring is fixedly connected in the first slope surface of the fixing seat body, the annular connecting plate is fixedly sleeved in the upper end of the fixing seat body, a thread groove is formed in the bottom end of the inner part of the fixing seat body, the lower end of the double-tightening adjusting component is connected with the thread groove through threads, the double-tightening adjusting component compresses the first sealing ring, and the double-tightening adjusting component compresses the annular connecting plate.
According to some embodiments of the application, the first connecting seat comprises a connecting seat body, a limiting block and a connecting cylinder, the limiting block is fixedly connected to the outer wall of the upper end of the connecting seat body, the connecting cylinder is fixedly connected to the bottom end of the connecting seat body, the outer wall of the connecting seat body is provided with a second slope surface, the connecting cylinder is in threaded connection with the upper end of the double-tightening adjusting assembly, the outer wall of the connecting seat body is tightly pressed on the inner wall of the upper end of the double-tightening adjusting assembly to form a seal, and the double-tightening adjusting assembly drives the first locking plate to be tightly pressed on the limiting block.
According to some embodiments of the application, the double tightening adjusting assembly comprises a movable adjusting seat, a fixed adjusting seat, a second fixing seat, a second connecting seat, a tightening adjusting screw piece and a second locking plate, wherein the lower end of the movable adjusting seat is in sliding connection with the fixed adjusting seat, the second fixing seat and the first fixing seat are identical in structure, the second fixing seat is fixedly connected with the upper end of the movable adjusting seat, the connecting cylinder of the upper end of the spray pipe assembly is in threaded connection with the threaded groove of the second fixing seat, the outer wall of the connecting seat at the upper end of the spray pipe assembly is tightly pressed against the first sealing ring in the second fixing seat, the upper end of the tightening adjusting screw piece penetrates through the annular connecting plate of the second fixing seat and the first locking plate of the spray pipe assembly, the upper end of the tightening adjusting screw piece drives the first locking plate and the annular connecting plate to be mutually fastened, the second connecting seat and the first connecting seat are identical in structure, the second connecting seat is fixedly connected with the connecting cylinder of the spray pipe assembly through threads, the outer wall of the connecting seat is tightly connected with the lower end of the second connecting seat through the annular connecting plate and the lower end of the annular connecting plate, and the lower end of the sealing plate is tightly connected with the threaded connecting plate of the spray pipe assembly through the threaded connecting plate.
According to some embodiments of the application, the movable adjusting seat comprises a movable adjusting cylinder, a piston ring and a second sealing ring, the piston ring is fixedly sleeved on the outer wall of the lower end of the movable adjusting cylinder, the second sealing ring is fixedly sleeved on the outer wall of the piston ring, the piston ring is slidably connected in the fixed adjusting seat, and the piston ring drives the second sealing ring to be pressed on the inner wall of the fixed adjusting seat through elastic deformation.
According to some embodiments of the application, the fixed adjusting seat comprises a fixed adjusting cylinder and a limiting ring, the limiting ring is fixedly connected to the top end of the fixed adjusting cylinder, the piston ring is slidably connected in the fixed adjusting cylinder, and the limiting ring can block the piston ring.
According to some embodiments of the present application, the tightening adjusting screw member includes a first connecting locking portion, a second connecting locking portion and a bidirectional adjusting cylinder, the first connecting locking portion includes a first screw, a first positioning column, a first force application column and a first nut, the first positioning column is fixedly connected to one end of the first screw, the first force application column is fixedly connected to an end of the first positioning column, the first screw passes through the first locking plate of the upper end of the nozzle assembly and the annular connecting plate of the second fixing seat, the first positioning column is inserted into the first locking plate, the first force application column compresses the first locking plate, the first nut is in threaded sleeve connection with the first screw, the first nut compresses the annular connecting plate of the second fixing seat, the second connecting locking portion and the first connecting locking portion have the same structure, the second locking plate and the annular connecting plate of the lower end of the nozzle assembly pass through the second connecting locking portion and the second locking portion, the first nut is inserted into the second connecting plate of the second locking portion and the second locking portion of the second fixing seat, the first nut is inserted into the annular connecting plate of the second locking portion of the nozzle assembly, and the second locking portion is compressed by the second nut is inserted into the annular connecting plate of the first connecting plate of the second fixing seat, and the second locking portion is compressed by the first nut.
According to some embodiments of the present application, a guiding and limiting piece is disposed between the annular connecting plate and the second locking plate of the second fixing seat, the guiding and limiting piece and the tightening adjusting screw piece are disposed at intervals, the guiding and limiting piece includes a first limiting cylinder, a second limiting cylinder, a limiting rod, a second nut and a third nut, the first limiting cylinder is fixedly connected to the lower side of the annular connecting plate of the second fixing seat, the second limiting cylinder is fixedly connected to the upper side of the second locking plate, the limiting rod passes through the first limiting cylinder and the second limiting cylinder, the upper end of the limiting rod passes through the annular connecting plate of the second fixing seat and the first locking plate of the spray pipe assembly, the lower end of the limiting rod passes through the second locking plate and the annular connecting plate of the lower end of the spray pipe assembly, the second nut and the third nut are sleeved on the limiting rod through threads, the second nut is respectively pressed on the first end of the spray pipe assembly and the second nut is pressed on the second end of the annular connecting plate of the spray pipe assembly and the second nut.
According to some embodiments of the application, the spray head assembly comprises a spray head, a third fixing seat and a third connection locking part, the third fixing seat and the first fixing seat are identical in structure, the third fixing seat is fixedly connected to the upper end of the spray head, the connecting cylinder of the spray pipe assembly at the bottom end is connected into the thread groove of the third fixing seat through threads, the outer wall of the connecting seat of the spray pipe assembly at the bottom end is tightly pressed against the first sealing ring in the third fixing seat, and the first locking plate of the spray pipe assembly at the bottom end and the annular connecting plate of the third fixing seat are tightly connected through the third connection locking part.
According to some embodiments of the application, the third connecting and locking part comprises a second screw rod, a second positioning column, a second force application column and a fourth nut, wherein the second positioning column is fixedly connected to one end of the second screw rod, the second force application column is fixedly connected to the end part of the second positioning column, the second screw rod penetrates through the annular connecting plate of the third fixing seat and the first locking plate of the spray pipe assembly at the bottom end, the second positioning column is inserted into the annular connecting plate of the third fixing seat, the second force application column presses the annular connecting plate of the third fixing seat, the fourth nut is in threaded sleeve connection with the second screw rod, and the second screw rod presses the first locking plate of the spray pipe assembly at the bottom end.
In a second aspect, the embodiment of the application also provides a completion method of an ultra-short radius horizontal well, which uses the sand blasting perforation device to perform perforation, comprising the following steps:
s1: preparing a sand blasting perforating device and a tool meeting the conditions;
s2: a fracturing string is put into, and the fracturing string is guided into a designed fracturing depth in a well bottom horizontal section by an ultra-short radius inclined guide;
s3: installing a wellhead blowout preventer, and connecting a 700-type fracturing wellhead with the withstand voltage of 70 MPa;
s4: connecting a fracturing pipeline and a manifold;
s5: setting a packer;
s6: starting the fracturing pumps one by one, gradually increasing the pressure to reach the designed construction displacement to open the stratum, and injecting the stratum according to the designed front liquid amount;
s7: according to the design sand ratio from low to high until the sand ratio is added to a preset value, the sand mixing vehicle keeps the single vehicle liquid supply amount to be more than 10 cubic meters per minute, and a sand blasting perforating device is utilized for perforation;
s8: driving the inner volume of the string into the fracturing string for replacing the squeeze liquid by 1.1 times;
s9: stopping the pump truck, measuring the pump pressure, closing the well for more than 40 minutes and diffusing the pressure;
s10: controlling the open flow by adopting a nozzle until the oil pressure is lower than 5MPa;
s11: reversely circulating sand flushing with fracturing fluid base fluid to 1.5-2 times of the volume of the shaft;
s12: lifting the fracturing string, removing the wellhead screw, lowering the fracturing string for 1-2 times, lifting the fracturing string, lifting the packer to a designed second stage fracturing position, and setting the wellhead;
S12: repeating the operations of setting the packer, fracturing, adding sand, replacing extrusion, diffusing pressure, open-flow, lifting the fracturing string to the depth of the next fracturing layer;
s13: and repeating the working procedures until all the fracturing intervals are completed, and starting the fracturing string and completing the well.
The beneficial effects of the application are as follows: when adjacent spray pipe assembly and double tight regulation subassembly are connected, the spray pipe assembly threaded connection of upper end is in the inside of double tight regulation subassembly upper end, rethread double tight regulation subassembly compresses tightly in the spray pipe assembly of upper end, because the threaded connection department of upper end spray pipe assembly takes off, in view of the screw drive principle, need the spray pipe assembly along axial movement, and the axial movement of spray pipe assembly receives the restriction that compresses tightly of double tight regulation subassembly, form the locking restriction of upper end spray pipe assembly and double tight regulation subassembly junction, the lower extreme spray pipe assembly and double tight regulation subassembly lower extreme be connected with last mode the same, also can form the locking restriction of lower extreme spray pipe assembly and double tight regulation subassembly junction, and then effectively improve the stability of spray pipe assembly and double tight regulation subassembly junction, the regulation of double tight regulation subassembly utilizes its double tight regulation subassembly to go on with tight screw rod, reduce the mechanism that sets up screw rod drive again, and a structure is simple.
Additional aspects and advantages of the application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and should not be considered as limiting the scope, and other related drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of a sand blasting perforating device according to an embodiment of the present application;
FIG. 2 is a schematic perspective view of a spout assembly according to an embodiment of the present application;
FIG. 3 is an enlarged schematic perspective view of FIG. 2 according to an embodiment of the present application;
FIG. 4 is an enlarged schematic perspective view of the structure B in FIG. 2 according to an embodiment of the present application;
FIG. 5 is a schematic perspective view of a dual tightening adjustment assembly according to an embodiment of the present application;
FIG. 6 is a schematic view of the structure of the connection between the movable adjusting seat and the fixed adjusting seat according to the embodiment of the application;
FIG. 7 is a schematic perspective view of a tightening adjustment screw in accordance with an embodiment of the application;
fig. 8 is a schematic perspective view of a guide stopper according to an embodiment of the present application;
FIG. 9 is a schematic perspective view of a showerhead assembly according to an embodiment of the application;
fig. 10 is a schematic perspective view of a third connection locking portion according to an embodiment of the present application.
Icon: a 100-nozzle assembly; 110-spraying pipe; 120-a first fixing seat; 121-a fixed seat body; 122-a first ramp surface; 123-a first sealing ring; 124-thread groove; 125-annular connection plates; 130-a first connection base; 131-connecting the seat body; 132-limiting blocks; 133-connecting the cylinders; 140-a first locking plate; 141-an annular plate body; 142-through holes; 150-centralizer; 200-double tightening adjusting components; 210-a movable adjusting seat; 211-a movable adjustment cylinder; 212-piston rings; 213-a second sealing ring; 220-fixing an adjusting seat; 221-fixing an adjusting cylinder; 222-a limiting ring; 230-a second fixing seat; 240-a second connection base; 250-tightening the adjusting screw; 251-first connection locking portion; 2511—a first screw; 2512—a first positioning column; 2513—a first force application post; 2514—a first nut; 252-a second connection locking portion; 253—a bidirectional adjustment cylinder; 260-a second locking plate; 270-guiding limiting piece; 271-a first limiting cylinder; 272-a second limiting cylinder; 273-limiting rod; 274-a second nut; 275-a third nut; 300-a spray head assembly; 310-spray head; 320-a third fixing seat; 330-a third connection locking portion; 331-second screw; 332-a second positioning column; 333-a second force application post; 334-fourth nut.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the accompanying drawings in the embodiments of the present application.
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, based on the embodiments of the application, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the application.
A sand blasting perforating apparatus and an ultra-short radius horizontal well completion method according to an embodiment of the present application are described below with reference to the accompanying drawings.
Referring to fig. 1 to 10, an embodiment of the present application provides a sand blasting perforation device, including: spout assembly 100, dual tightening adjustment assembly 200, and spray head assembly 300.
Referring to fig. 1, adjacent nozzle assemblies 100 are connected through a dual tightening adjustment assembly 200, the nozzle assembly 100 at the upper end is screwed into the dual tightening adjustment assembly 200, the upper end of the dual tightening adjustment assembly 200 is tightly pressed against the nozzle assembly 100 at the upper end, the lower end of the dual tightening adjustment assembly 200 is screwed into the nozzle assembly 100 at the lower end, the lower end of the dual tightening adjustment assembly 200 is tightly pressed against the nozzle assembly 100 at the lower end, the lower end of the nozzle assembly 100 at the lower end is screwed against the nozzle assembly 300, and the nozzle assembly 300 is tightly pressed against the nozzle assembly 100 at the lower end. When the adjacent spray pipe assemblies 100 and the double tightening adjusting assemblies 200 are connected, the spray pipe assemblies 100 at the upper ends are in threaded connection with the inside of the upper ends of the double tightening adjusting assemblies 200, the double tightening adjusting assemblies 200 are pressed on the spray pipe assemblies 100 at the upper ends, as the threaded connection parts of the spray pipe assemblies 100 at the upper ends are loosened, the spray pipe assemblies 100 are required to move along the axial direction in view of the threaded transmission principle, the axial movement of the spray pipe assemblies 100 is limited by the pressing of the double tightening adjusting assemblies 200, the locking limitation of the connection parts of the upper end spray pipe assemblies 100 and the double tightening adjusting assemblies 200 is formed, the connection parts of the lower end spray pipe assemblies 100 and the lower ends of the double tightening adjusting assemblies 200 are the same as the above mode, the locking limitation of the connection parts of the lower end spray pipe assemblies 100 and the double tightening adjusting assemblies 200 is also formed, the stability of the connection parts of the spray pipe assemblies 100 and the double tightening adjusting assemblies 200 is further effectively improved, the adjustment of the double tightening adjusting assemblies 200 is carried out by utilizing screw rods on the double tightening adjusting assemblies 200, and the screw driving mechanism is reduced, and the structure is simple.
Referring to fig. 1 to 2, the nozzle assembly 100 includes a nozzle 110, a first fixing base 120, a first connecting base 130, a first locking plate 140 and a centralizer 150, wherein the first fixing base 120 is fixedly connected to the top end of the nozzle 110, the first connecting base 130 is fixedly connected to the bottom end of the nozzle 110, the first locking plate 140 is slidably sleeved on the nozzle 110, the first connecting base 130 is in threaded connection with the upper end of the dual tightening adjustment assembly 200, the dual tightening adjustment assembly 200 drives the first locking plate 140 to compress the first connecting base 130, the lower end of the dual tightening adjustment assembly 200 is in threaded connection with the first fixing base 120 of the adjacent nozzle assembly 100, and the centralizer 150 is fixedly sleeved on the upper end of the nozzle 110. When the spray pipe 110 moves, the spray pipe 110 is kept at a position inside the sleeve through the centralizer 150, spray holes are formed in the spray pipe 110, a guide cover is arranged inside the spray holes, intercepting and guiding are carried out on high-pressure liquid containing sand, part of the high-pressure liquid containing sand flows to the spray holes and is sprayed outwards through the spray holes, then the liquid flows to the inside of the spray head assembly, guiding and diffusing are carried out on the high-pressure liquid containing sand in the spray head assembly, and the rest of the high-pressure liquid containing sand is sprayed outwards through the spray head assembly, so that sand blasting and perforation are carried out on the sleeve. When the upper end spray pipe assembly 100 is connected with the double-tightening adjusting assembly 200 and the bottom end spray pipe assembly 100 is connected with the spray head assembly 300, the first connecting seat 130 at the bottom end of the spray pipe 110 is screwed into the double-tightening adjusting assembly 200 and the spray head assembly 300 through threads, the outer wall of the first connecting seat 130, the double-tightening adjusting assembly 200 and the inner wall of the spray head assembly 300 are tightly pressed to form a seal, and the double-tightening adjusting assembly 200 and the spray head assembly 300 drive the first locking plate 140 to tightly press the first connecting seat 130 to form a connecting part for locking, so that the stability of the connecting part is improved. When the lower end spray pipe assembly 100 is connected with the double-tightening adjusting assembly 200, the lower end of the double-tightening adjusting assembly 200 is screwed into the first fixing seat 120 of the lower end spray pipe assembly 100 through threads, the outer wall of the lower end of the double-tightening adjusting assembly 200 and the inner wall of the first fixing seat 120 are tightly pressed to form a seal, and the double-tightening adjusting assembly 200 is tightly pressed to the first fixing seat 120 to form a joint locking, so that the stability of the joint is improved.
Referring to fig. 1 to 3, the first fixing base 120 includes a fixing base body 121, a first sealing ring 123 and an annular connecting plate 125, a first slope surface 122 is provided inside the fixing base body 121, the first sealing ring 123 is fixedly connected in the first slope surface 122 of the fixing base body 121, the annular connecting plate 125 is fixedly sleeved inside the upper end of the fixing base body 121, a threaded groove 124 is provided at the bottom end inside the fixing base body 121, the lower end of the double-tightening adjusting assembly 200 is connected to the threaded groove 124 through threads, the double-tightening adjusting assembly 200 compresses the first sealing ring 123, and the double-tightening adjusting assembly 200 compresses the annular connecting plate 125.
Referring to fig. 1 to 4, the first connecting seat 130 includes a connecting seat body 131, a limiting block 132 and a connecting tube 133, the limiting block 132 is fixedly connected to an outer wall of an upper end of the connecting seat body 131, the connecting tube 133 is fixedly connected to a bottom end of the connecting seat body 131, a second slope surface is provided on an outer wall of the connecting seat body 131, the connecting tube 133 is in threaded connection with an upper end of the dual-tightening adjusting assembly 200, an outer wall of the connecting seat body 131 is tightly pressed against an inner wall of an upper end of the dual-tightening adjusting assembly 200 to form a seal, and the dual-tightening adjusting assembly 200 drives the first locking plate 140 to be tightly pressed against the limiting block 132. The first locking plate 140 includes an annular plate body 141, through holes 142 are formed in the annular plate body 141 at equal intervals, the upper end of the double tightening adjusting assembly 200 passes through the through holes 142, and the upper end of the double tightening adjusting assembly 200 is pressed against the periphery of the through holes 142.
Referring to fig. 1 to 5, the dual tightening adjustment assembly 200 includes a movable adjustment seat 210, a fixed adjustment seat 220, a second fixing seat 230, a second connection seat 240, a tightening adjustment screw member 250 and a second locking plate 260, wherein the lower end of the movable adjustment seat 210 is slidably inserted into the fixed adjustment seat 220, the second fixing seat 230 and the first fixing seat 120 have the same structure, the second fixing seat 230 is fixedly connected to the upper end of the movable adjustment seat 210, the connection cylinder 133 of the upper nozzle assembly 100 is screwed into the threaded groove 124 of the second fixing seat 230, the outer wall of the connection seat 131 of the upper nozzle assembly 100 is tightly pressed against the first sealing ring 123 in the second fixing seat 230, the upper end of the tightening adjustment screw member 250 passes through the annular connection plate 125 of the second fixing seat 230 and the first locking plate 140 of the upper nozzle assembly 100, the upper end of the tightening adjustment screw member 250 drives the first locking plate 140 to be mutually tightened against the annular connection plate 125, the second connection seat 240 and the first connection seat 130 have the same structure, the second connection seat 240 is fixedly connected to the bottom end of the fixed adjustment seat 220, the connection cylinder 133 of the second connection seat 240 is screwed into the threaded groove 124 of the second fixing seat 100, the connection cylinder 133 is tightly connected to the lower end of the nozzle assembly 100 by screwing the lower end of the lower end assembly 100, the second connection seat 125 passes through the second sealing ring 125 and the lower end of the second locking plate 260 is tightly screwed into the lower end of the annular connection plate 260, and the lower end of the second connection plate 260 is tightly screwed tightly connected to the second connection plate 125 by the lower end of the second connection plate 125. When the upper nozzle assembly 100 is connected to the dual fastening adjustment assembly 200, the first connection base 130 of the upper nozzle assembly 100 is connected to the second fixing base 230 of the dual fastening adjustment assembly 200 as follows: the connecting tube 133 of the first connecting seat 130 is screwed into the threaded groove 124 of the second fixing seat 230 through threads, and as the inner wall of the fixing seat body 121 and the outer wall of the connecting seat body 131 are both slope surfaces, along with the screwing of the connecting tube 133, the outer wall of the connecting seat body 131 gradually compresses the first sealing ring 123 in the second fixing seat 230 to form sealing, the upper end of the adjusting screw piece 250 passes through the annular connecting plate 125 of the second fixing seat 230 and the first locking plate 140 of the upper end spray pipe assembly 100, the lower end of the adjusting screw piece 250 is adjusted and tightly adjusted, the second locking plate 260 and the annular connecting plate 125 are tightly adjusted through tightly adjusting the screw piece 250, and meanwhile, the first locking plate 140 compresses the limiting block 132 of the first connecting seat 130, so that the first connecting seat 130 of the upper end spray pipe assembly 100 and the second fixing seat 230 are mutually compressed, and the stability of the joint of the first connecting seat 130 and the second fixing seat 230 of the upper end spray pipe assembly 100 is improved. When the lower nozzle assembly 100 is connected to the dual fastening adjustment assembly 200, the second connection base 240 of the dual fastening adjustment assembly 200 is first connected to the first fixing base 120 of the lower nozzle assembly 100 as follows: the connecting tube 133 of the second connecting seat 240 is screwed into the threaded groove 124 of the first fixing seat 120 through threads, and as the inner wall of the fixing seat body 121 and the outer wall of the connecting seat body 131 are both slope surfaces, along with the screwing of the connecting tube 133, the outer wall of the connecting seat body 131 gradually compresses the first sealing ring 123 in the first fixing seat 120 to form sealing, the lower end of the adjusting screw member 250 penetrates through the second locking plate 260 and the annular connecting plate 125 of the first fixing seat 120, the lower end of the adjusting screw member 250 is adjusted and tightly adjusted, the second locking plate 260 and the annular connecting plate 125 are tightly combined through the tightly adjusted screw member 250, and meanwhile, the second locking plate 260 compresses the limiting block 132 of the second connecting seat 240, so that the second connecting seat 240 and the first fixing seat 120 of the lower nozzle assembly 100 are mutually compressed, and the stability of the connecting position of the first fixing seat 120 of the second connecting seat 240 and the lower nozzle assembly 100 is improved.
Referring to fig. 1 to 6, the movable adjusting seat 210 includes a movable adjusting cylinder 211, a piston ring 212 and a second sealing ring 213, the piston ring 212 is fixedly sleeved on an outer wall of a lower end of the movable adjusting cylinder 211, the second sealing ring 213 is fixedly sleeved on an outer wall of the piston ring 212, the piston ring 212 is slidably connected in the fixed adjusting seat 220, and the piston ring 212 drives the second sealing ring 213 to compress against an inner wall of the fixed adjusting seat 220 through elastic deformation. The fixed adjusting seat 220 comprises a fixed adjusting cylinder 221 and a limiting ring 222, the limiting ring 222 is fixedly connected to the top end of the fixed adjusting cylinder 221, the piston ring 212 is slidably connected in the fixed adjusting cylinder 221, and the limiting ring 222 can block the piston ring 212.
Referring to fig. 1 to 7, the tight adjustment screw member 250 includes a first connection locking part 251, a second connection locking part 252 and a bidirectional adjustment cylinder 253, the first connection locking part 251 includes a first screw 2511, a first positioning column 2512, a first force application column 2513 and a first nut 2514, the first positioning column 2512 is fixedly connected to one end of the first screw 2511, the first force application column 2513 is fixedly connected to the end of the first positioning column 2512, the first screw 2511 passes through the first locking plate 140 of the upper end nozzle assembly 100 and the annular connection plate 125 of the second fixing base 230, the first positioning column 2512 is inserted into the first locking plate 140, the first force application column 2513 compresses the first locking plate 140, the first nut 2514 is screwed on the first screw 2511, the first nut 2514 compresses the annular connection plate 125 of the second fixing base 230, the second connection locking part 252 is the same as the first connection locking part 251, the second locking plate 260 and the annular connection plate 125 of the lower end nozzle assembly 100 are tightly connected through the second connection locking part 252, the second connection locking part 252 is inserted into the second connection locking plate 252 and the lower end of the annular connection plate 2512 is inserted into the first screw 2511 or the second connection locking plate 252 is screwed on the second connection plate 252 of the second connection rod 2511, the second connection locking part 252 is screwed on the second connection plate 252 is screwed on the annular connection plate 125 of the second fixing base 230, and the second connection plate is compressed on the annular connection plate 125 is compressed on the first connection plate 252. When the first connection locking part 251 is tightly connected with the first locking plate 140 of the upper nozzle assembly 100 and the annular connection plate 125 of the second fixing seat 230, the first screw 2511 penetrates through the first locking plate 140 of the upper nozzle assembly 100 and the annular connection plate 125 of the second fixing seat 230, the first positioning column 2512 is inserted into the first locking plate 140 to limit the rotation of the first screw 2511, the first force application column 2513 tightly presses the first locking plate 140, the first nut 2514 is in threaded connection with the first screw 2511, the first nut 2514 tightly presses the annular connection plate 125 of the second fixing seat 230, the purpose of tightly connecting the first locking plate 140 of the upper nozzle assembly 100 and the annular connection plate 125 of the second fixing seat 230 is achieved, and the process of tightly connecting the second connection locking part 252 with the second locking plate 260 and the annular connection plate 251 of the lower nozzle assembly 100 is the same as the step of tightly connecting the first locking plate 140 of the upper nozzle assembly 100 and the annular connection plate 125 of the second fixing seat 230, so as to achieve the purpose of tightly connecting the second locking plate 260 and the annular connection plate 125 of the lower nozzle assembly 100. When the distance between adjacent spray pipe assemblies 100 is adjusted, the bidirectional adjusting cylinder 253 is rotated, the first screw 2511 of the first connection locking part 251 and the second connection locking part 252 synchronously extends or retracts the bidirectional adjusting cylinder 253, the first screw 2511 pushes the upper end spray pipe assembly 100 to be far away from or close to the lower end spray pipe assembly 100 due to the fact that the root of the first screw 2511 is fixed, meanwhile, the piston ring 212 of the movable adjusting cylinder 211 slides along the fixed adjusting cylinder 221, the piston ring 212 and the fixed adjusting cylinder 221 are sealed through the second sealing ring 213, the limiting ring 222 limits the movable adjusting cylinder 211 to slide, and the situation that the movable adjusting cylinder 211 is separated from the fixed adjusting cylinder 221 is reduced.
Referring to fig. 1 to 8, in the related art, the adjusting mechanism and the nozzle assembly of the sand blasting perforation device are connected and locked by the double tightening adjusting assembly and the function of adjusting the distance between the nozzle assemblies, but the movable adjusting seat and the fixed adjusting seat of the double tightening adjusting assembly are connected and locked by the tightening adjusting screw member, because the tightening adjusting screw member adopts the three-stage interconnection mode, the axial tensile and compressive resistance of the connecting part of the screw and the bidirectional adjusting cylinder is stronger, the deformation resistance is poor when the screw and the bidirectional adjusting cylinder are stressed radially, and the tightening adjusting screw member has supporting points at two ends only when being installed, so when the mutual rotation movement trend exists between the movable adjusting seat and the fixed adjusting seat, the stability of the mutual rotation direction of the movable adjusting seat and the fixed adjusting seat is maintained by the tightening adjusting screw member, and how to improve the stability of the mutual rotation direction of the movable adjusting seat and the fixed adjusting seat is poor becomes the technical problem to be solved.
In this embodiment, a guiding and limiting member 270 is disposed between the annular connecting plate 125 of the second fixing seat 230 and the second locking plate 260, the guiding and limiting member 270 and the tightening adjusting screw 250 are arranged at intervals, the guiding and limiting member 270 includes a first limiting cylinder 271, a second limiting cylinder 272, a limiting rod 273, a second nut 274 and a third nut 275, the first limiting cylinder 271 is fixedly connected to the lower side of the annular connecting plate 125 of the second fixing seat 230, the second limiting cylinder 272 is fixedly connected to the upper side of the second locking plate 260, the limiting rod 273 passes through the first limiting cylinder 271 and the second limiting cylinder 272, the upper end of the limiting rod 273 passes through the annular connecting plate 125 of the second fixing seat 230 and the first locking plate 140 of the upper nozzle assembly 100, the lower end of the limiting rod 273 passes through the second locking plate 260 and the annular connecting plate 125 of the lower nozzle assembly 100, the second nut 274 and the third nut 275 are sleeved on the limiting rod 273 through threads, the second nut 274 is respectively compressed on the first locking plate 140 of the upper nozzle assembly 100 and the annular connecting plate 125 of the lower nozzle assembly 100, and the third nut 274 is respectively compressed on the end of the first limiting cylinder 271 and the second limiting cylinder 272. After the adjusting mechanism and the spray pipe components are connected through the double tightening adjusting components, after the space between the adjacent spray pipe components is adjusted, the limiting rod 273 sequentially passes through the first limiting cylinder 271 and the second limiting cylinder 272, in the process that the limiting rod 273 passes through the first limiting cylinder 271 and the second limiting cylinder 272, the third nut 275 is screwed on the limiting rod 273, after the limiting rod 273 passes through the first limiting cylinder 271 and the second limiting cylinder 272, the second nut 274 is screwed on two ends of the limiting rod 273, the first locking plate 140 of the upper spray pipe component 100 and the annular connecting plate 125 of the lower spray pipe component 100 are tightly pressed through the second nut 274, afterwards, the third nut 275 is rotated to respectively press the ends of the first limiting cylinder 271 and the second limiting cylinder 272, the relative positions of the piston ring 212 and the fixed adjusting cylinder 221 are further maintained through the third nut 275, the position change of the adjacent spray pipe components needs to be synchronously adjusted and the tightening adjusting screw rod and the third nut, the occurrence of the condition that the relative position change of the adjacent spray pipe components is caused by external factors is reduced, and the relative positions of the adjacent spray pipe components are favorable for maintaining the relative positions of the adjacent spray pipe components. The first locking plate 140 of the upper end spray pipe assembly 100 and the annular connecting plate 125 of the lower end spray pipe assembly 100 are tightly pressed by the second nut 274, so that the joint of the adjacent spray pipe assemblies and the double-tightening adjusting assembly is locked, and a pressing force is provided, thereby being beneficial to keeping the stability of the joint. The first limiting cylinder 271 and the second limiting cylinder 272 are fixed on the annular connecting plate 125 and the second locking plate 260, guided by the whole limiting rod 273, are not disconnected at the middle position without three sections, so that the overall stability is good, the supporting point spacing of the limiting rod 273 is smaller than that of the supporting point spacing of the tightening adjusting screw part, and the stabilizing capability of the mutual rotating direction of the movable adjusting seat and the fixed adjusting seat is effectively improved.
Referring to fig. 1 to 9, the spray head assembly 300 includes a spray head 310, a third fixing base 320 and a third connection locking portion 330, the third fixing base 320 and the first fixing base 120 have the same structure, the third fixing base 320 is fixedly connected to the upper end of the spray head 310, the connecting tube 133 of the bottom nozzle assembly 100 is connected to the threaded groove 124 of the third fixing base 320 through threads, the outer wall of the connecting base body 131 of the bottom nozzle assembly 100 is pressed against the first sealing ring 123 in the third fixing base 320, and the first locking plate 140 of the bottom nozzle assembly 100 is tightly connected to the annular connecting plate 125 of the third fixing base 320 through the third connection locking portion 330.
Referring to fig. 1 to 10, the third connection locking portion 330 includes a second screw 331, a second positioning column 332, a second force application column 333, and a fourth nut 334, where the second positioning column 332 is fixedly connected to one end of the second screw 331, the second force application column 333 is fixedly connected to an end of the second positioning column 332, the second screw 331 passes through the annular connecting plate 125 of the third fixing seat 320 and the first locking plate 140 of the bottom nozzle assembly 100, the second positioning column 332 is inserted into the annular connecting plate 125 of the third fixing seat 320, the second force application column 333 compresses the annular connecting plate 125 of the third fixing seat 320, the fourth nut 334 is screwed onto the second screw 331, and the second screw 331 compresses the first locking plate 140 of the bottom nozzle assembly 100. When the bottom nozzle assembly 100 is connected to the nozzle assembly 300, the first connection base 130 of the bottom nozzle assembly 100 is first connected to the third fixing base 320 of the nozzle assembly 300 as follows: the connecting tube 133 of the first connecting seat 130 is screwed into the thread groove 124 of the third fixing seat 320 through threads, because the inner wall of the fixing seat body 121 and the outer wall of the connecting seat body 131 are both slope surfaces, along with the screwing of the connecting tube 133, the outer wall of the connecting seat body 131 gradually compresses the first sealing ring 123 in the third fixing seat 320 to form sealing, the second screw rod 331 penetrates through the annular connecting plate 125 of the third fixing seat 320 and the first locking plate 140 of the bottom nozzle assembly 100, the second positioning column 332 is inserted into the annular connecting plate 125 of the third fixing seat 320, the second force application column 333 compresses the annular connecting plate 125 of the third fixing seat 320, the fourth nut 334 is sleeved on the second screw rod 331 through threads, the second screw rod 331 compresses the first locking plate 140 of the bottom nozzle assembly 100, and the purpose of tightening the first locking plate 140 of the bottom nozzle assembly 100 and the annular connecting plate 125 of the third fixing seat 320 is achieved, and the stability of the joint of the bottom nozzle assembly 100 and the nozzle assembly 300 is improved.
The embodiment of the application also provides a completion method of the ultra-short radius horizontal well, which uses the sand blasting perforation device to carry out perforation, and comprises the following steps:
s1: preparing a sand blasting perforating device and a tool meeting the conditions;
s2: a fracturing string is put into, and the fracturing string is guided into a designed fracturing depth in a well bottom horizontal section by an ultra-short radius inclined guide;
s3: installing a wellhead blowout preventer, and connecting a 700-type fracturing wellhead with the withstand voltage of 70 MPa;
s4: connecting a fracturing pipeline and a manifold;
s5: setting a packer;
s6: starting the fracturing pumps one by one, gradually increasing the pressure to reach the designed construction displacement to open the stratum, and injecting the stratum according to the designed front liquid amount;
s7: according to the design sand ratio from low to high until the sand ratio is added to a preset value, the sand mixing vehicle keeps the single vehicle liquid supply amount to be more than 10 cubic meters per minute, and a sand blasting perforating device is utilized for perforation;
s8: driving the inner volume of the string into the fracturing string for replacing the squeeze liquid by 1.1 times;
s9: stopping the pump truck, measuring the pump pressure, closing the well for more than 40 minutes and diffusing the pressure;
s10: controlling the open flow by adopting a nozzle until the oil pressure is lower than 5MPa;
s11: reversely circulating sand flushing with fracturing fluid base fluid to 1.5-2 times of the volume of the shaft;
s12: lifting the fracturing string, removing the wellhead screw, lowering the fracturing string for 1-2 times, lifting the fracturing string, lifting the packer to a designed second stage fracturing position, and setting the wellhead;
S12: repeating the operations of setting the packer, fracturing, adding sand, replacing extrusion, diffusing pressure, open-flow, lifting the fracturing string to the depth of the next fracturing layer;
s13: and repeating the working procedures until all the fracturing intervals are completed, and starting the fracturing string and completing the well.
According to geological design requirements, underground tools such as an oil pipe, a packer and a fracturing string are sent to an ultra-short radius open hole horizontal well design well section through an ultra-short radius slope guider by utilizing a workover rig and an external diameter 73mm or 88.9mm plus large oil pipe (according to well depth and design displacement), a fracturing truck group meeting construction requirements is utilized for carrying out first-stage fracturing, after the first-stage fracturing is completed, a second-stage fracturing position on the packer is subjected to fracturing, and so on, accurate geological targeted fracturing can be realized by adopting staged fracturing, fracturing materials are effectively utilized, the pertinence of fracturing transformation is improved, and the maximization of oil increasing benefit is realized.
Specifically, the working principle of the sand blasting perforation device and the ultra-short radius horizontal well completion method is as follows: when the first connection locking part 251 is tightly connected with the first locking plate 140 of the upper nozzle assembly 100 and the annular connection plate 125 of the second fixing seat 230, the first screw 2511 penetrates through the first locking plate 140 of the upper nozzle assembly 100 and the annular connection plate 125 of the second fixing seat 230, the first positioning column 2512 is inserted into the first locking plate 140 to limit the rotation of the first screw 2511, the first force application column 2513 tightly presses the first locking plate 140, the first nut 2514 is in threaded connection with the first screw 2511, the first nut 2514 tightly presses the annular connection plate 125 of the second fixing seat 230, the purpose of tightly connecting the first locking plate 140 of the upper nozzle assembly 100 and the annular connection plate 125 of the second fixing seat 230 is achieved, meanwhile, the first locking plate 140 tightly presses the limiting block 132 of the first connection seat 130, the first connection seat 130 of the upper nozzle assembly 100 and the second fixing seat 230 are mutually tightly pressed, due to the fact that the threaded connection is loosened, in view of the threaded transmission principle, the purpose of improving the stability of the connection position of the first connection seat 130 and the second fixing seat 230 of the upper nozzle assembly 100 is required to move along the axial direction. The process of the second connection locking part 252 and tightening the second locking plate 260 and the annular connection plate 125 of the lower nozzle assembly 100 is the same as the process of the first connection locking part 251 and tightening the first locking plate 140 of the upper nozzle assembly 100 and the annular connection plate 125 of the second fixing base 230, so that the purpose of tightening the second locking plate 260 and the annular connection plate 125 of the lower nozzle assembly 100 is achieved, and simultaneously, the second locking plate 260 compresses the limiting block 132 of the second connection seat 240 to enable the second connection seat 240 and the first fixing base 120 of the lower nozzle assembly 100 to mutually compress, and due to the loosening of the threaded connection part, axial movement is required in view of the threaded transmission principle, so that the purpose of improving the stability of the connection part of the second connection seat 240 and the first fixing base 120 of the lower nozzle assembly 100 is achieved. When the distance between adjacent spray pipe assemblies 100 is adjusted, the bidirectional adjusting cylinder 253 is rotated, the first screw 2511 of the first connection locking part 251 and the second connection locking part 252 synchronously extends or retracts the bidirectional adjusting cylinder 253, the first screw 2511 pushes the upper end spray pipe assembly 100 to be far away from or close to the lower end spray pipe assembly 100 due to the fact that the root of the first screw 2511 is fixed, meanwhile, the piston ring 212 of the movable adjusting cylinder 211 slides along the fixed adjusting cylinder 221, the piston ring 212 and the fixed adjusting cylinder 221 are sealed through the second sealing ring 213, the limiting ring 222 limits the movable adjusting cylinder 211 to slide, and the situation that the movable adjusting cylinder 211 is separated from the fixed adjusting cylinder 221 is reduced. The fastening of the first locking plate 140 of the upper nozzle assembly 100 and the annular connecting plate 125 of the second fixing seat 230 and the fastening of the second locking plate 260 and the annular connecting plate 125 of the lower nozzle assembly 100 effectively improve the stability of the joint of the nozzle assembly 100 and the double fastening adjusting assembly 200, and the space between adjacent nozzle assemblies 100 is completed by utilizing the fastening first screw 2511 matched with the bidirectional adjusting cylinder 253, so that a screw driving mechanism is reduced, and the structure is simple.
After the adjusting mechanism and the spray pipe components are connected through the double tightening adjusting components, after the space between the adjacent spray pipe components is adjusted, the limiting rod 273 sequentially passes through the first limiting cylinder 271 and the second limiting cylinder 272, in the process that the limiting rod 273 passes through the first limiting cylinder 271 and the second limiting cylinder 272, the third nut 275 is screwed on the limiting rod 273, after the limiting rod 273 passes through the first limiting cylinder 271 and the second limiting cylinder 272, the second nut 274 is screwed on two ends of the limiting rod 273, the first locking plate 140 of the upper spray pipe component 100 and the annular connecting plate 125 of the lower spray pipe component 100 are tightly pressed through the second nut 274, afterwards, the third nut 275 is rotated to respectively press the ends of the first limiting cylinder 271 and the second limiting cylinder 272, the relative positions of the piston ring 212 and the fixed adjusting cylinder 221 are further maintained through the third nut 275, the position change of the adjacent spray pipe components needs to be synchronously adjusted and the tightening adjusting screw rod and the third nut, the occurrence of the condition that the relative position change of the adjacent spray pipe components is caused by external factors is reduced, and the relative positions of the adjacent spray pipe components are favorable for maintaining the relative positions of the adjacent spray pipe components. The first locking plate 140 of the upper end spray pipe assembly 100 and the annular connecting plate 125 of the lower end spray pipe assembly 100 are tightly pressed by the second nut 274, so that the joint of the adjacent spray pipe assemblies and the double-tightening adjusting assembly is locked, and a pressing force is provided, thereby being beneficial to keeping the stability of the joint. The first limiting cylinder 271 and the second limiting cylinder 272 are fixed on the annular connecting plate 125 and the second locking plate 260, guided by the whole limiting rod 273, are not disconnected at the middle position without three sections, so that the overall stability is good, the supporting point spacing of the limiting rod 273 is smaller than that of the supporting point spacing of the tightening adjusting screw part, and the stabilizing capability of the mutual rotating direction of the movable adjusting seat and the fixed adjusting seat is effectively improved.
The above embodiments of the present application are only examples, and are not intended to limit the scope of the present application, and various modifications and variations will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311490451.3A CN117231180B (en) | 2023-11-10 | 2023-11-10 | Sand blasting perforation device and ultra-short radius horizontal well completion method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311490451.3A CN117231180B (en) | 2023-11-10 | 2023-11-10 | Sand blasting perforation device and ultra-short radius horizontal well completion method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117231180A true CN117231180A (en) | 2023-12-15 |
| CN117231180B CN117231180B (en) | 2024-02-02 |
Family
ID=89088317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311490451.3A Active CN117231180B (en) | 2023-11-10 | 2023-11-10 | Sand blasting perforation device and ultra-short radius horizontal well completion method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117231180B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2038527C1 (en) * | 1993-03-01 | 1995-06-27 | Николай Александрович Петров | Perforator |
| CN101446187A (en) * | 2008-12-30 | 2009-06-03 | 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 | Twin packer hydro-jet fracturing technology |
| CN201424938Y (en) * | 2008-12-30 | 2010-03-17 | 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 | Double-packer hydraulic-jet fracturing pipe |
| US20160258258A1 (en) * | 2015-03-03 | 2016-09-08 | William Jani | Method and tool for perforating a wellbore casing in a formation using a sand jet, and using such tool to further frac the formation |
| CN207554029U (en) * | 2017-10-22 | 2018-06-29 | 新疆工程学院 | A kind of hydraulic fracturing perforating system |
| CN110685658A (en) * | 2019-11-06 | 2020-01-14 | 大庆辰平钻井技术服务有限公司 | Open-hole staged fracturing method for ultra-short radius horizontal wells |
| CN111594123A (en) * | 2020-05-09 | 2020-08-28 | 大庆辰平钻井技术服务有限公司 | Jet fracturing method for ultra-short radius horizontal wells with open-hole unmoved string |
| CN115306972A (en) * | 2022-06-27 | 2022-11-08 | 江苏巨正机械有限公司 | High-temperature-resistant expansion joint and manufacturing method thereof |
| CN115614007A (en) * | 2022-12-19 | 2023-01-17 | 龙口市通达油管有限公司 | Coiled tubing sandblast perforating device |
| CN219062723U (en) * | 2022-09-28 | 2023-05-23 | 马帅 | Petroleum and natural gas pipeline connection auxiliary device |
-
2023
- 2023-11-10 CN CN202311490451.3A patent/CN117231180B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2038527C1 (en) * | 1993-03-01 | 1995-06-27 | Николай Александрович Петров | Perforator |
| CN101446187A (en) * | 2008-12-30 | 2009-06-03 | 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 | Twin packer hydro-jet fracturing technology |
| CN201424938Y (en) * | 2008-12-30 | 2010-03-17 | 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 | Double-packer hydraulic-jet fracturing pipe |
| US20160258258A1 (en) * | 2015-03-03 | 2016-09-08 | William Jani | Method and tool for perforating a wellbore casing in a formation using a sand jet, and using such tool to further frac the formation |
| CN207554029U (en) * | 2017-10-22 | 2018-06-29 | 新疆工程学院 | A kind of hydraulic fracturing perforating system |
| CN110685658A (en) * | 2019-11-06 | 2020-01-14 | 大庆辰平钻井技术服务有限公司 | Open-hole staged fracturing method for ultra-short radius horizontal wells |
| CN111594123A (en) * | 2020-05-09 | 2020-08-28 | 大庆辰平钻井技术服务有限公司 | Jet fracturing method for ultra-short radius horizontal wells with open-hole unmoved string |
| CN115306972A (en) * | 2022-06-27 | 2022-11-08 | 江苏巨正机械有限公司 | High-temperature-resistant expansion joint and manufacturing method thereof |
| CN219062723U (en) * | 2022-09-28 | 2023-05-23 | 马帅 | Petroleum and natural gas pipeline connection auxiliary device |
| CN115614007A (en) * | 2022-12-19 | 2023-01-17 | 龙口市通达油管有限公司 | Coiled tubing sandblast perforating device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117231180B (en) | 2024-02-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113863907B (en) | Carbon dioxide composite layered handling pipe column | |
| CN116335579B (en) | Oilfield well casing packer and non-cementing injection self-plugging staged fracturing method | |
| CN107313744B (en) | Construction method for reinforcing goaf crossing of coal-bed gas well by grouting through small guide hole | |
| CN112814640B (en) | Multilayer pressured fracturing operation device for medium-low pressure well and application method | |
| CN110905439B (en) | Integrated downhole operation tool based on bidirectional slip hydraulic permanent packer | |
| CN110107251A (en) | A kind of frac-pack crossover tool | |
| CN110778288B (en) | Integrated downhole operation tool based on bidirectional slip recoverable hydraulic packer | |
| CN113073977A (en) | Integrated hydraulic fracturing device and method for underground coal rock stratum | |
| CN118242005B (en) | Anchor-retracting hydraulic anchor and staged fracturing method for ultra-short radius horizontal wells | |
| CN106437659B (en) | A kind of bitubular hydraulic cylinder type fractured horizontal well ball injector | |
| CN117231180B (en) | Sand blasting perforation device and ultra-short radius horizontal well completion method | |
| CN115142811B (en) | Non-rotary repeatable setting packer and setting and unsetting methods thereof | |
| CN113738314B (en) | Integrated pump-suction combined operation pressurized rotary pump pipe column and plugging tool and method | |
| CN116411868A (en) | A slim hole plug-free cementing device, rubber plug and its cementing construction method | |
| CN209227536U (en) | A kind of surface drilling can arbitrarily adjust the two-liquid grouting device of slip casting tube angulation | |
| CN108999589B (en) | Downhole blowout preventer for workover operation | |
| CN214576889U (en) | Wellhead blowout prevention packer | |
| CN113445954B (en) | Pump-down circulating oil pipe hydraulic control environmental protection blowout prevention device | |
| CN212671721U (en) | Integrated pumping and pumping for pipe string and plugging tool under pressure | |
| CN213928306U (en) | One-trip pipe column type cement retaining device | |
| CN111058785B (en) | An adjustable connection device suitable for manifold connection | |
| CN223104544U (en) | A wellbore plugging device capable of repeated opening and closing | |
| RU2563845C2 (en) | Sealing method of cavity of pipes and annular space of well; pgu-2 anti-syphonage sealing device; pk-1 washing coil | |
| CN207436995U (en) | A backwash well triple seal packer | |
| CN120291831B (en) | CO2 gas-tight packer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Room 1506 and 1507, block C1, C2 and C3, Daqing Service Outsourcing Industrial Park, No. 6-1, Xinfeng Road, Daqing Development Zone, 163000 Heilongjiang Province Patentee after: Daqing Chenping Energy Technology Co., Ltd. Country or region after: China Address before: Heilongjiang Province Daqing City Development Zone Xinfeng Road No. 6-1 Daqing Service Outsourcing Industrial Park C1, C2, C3 Building 1506 Room Patentee before: Daqing Chenping Drilling Technology Service Co.,Ltd. Country or region before: China |