CN209799925U - Reinforcing grouting float shoe for oil well - Google Patents
Reinforcing grouting float shoe for oil well Download PDFInfo
- Publication number
- CN209799925U CN209799925U CN201920277038.1U CN201920277038U CN209799925U CN 209799925 U CN209799925 U CN 209799925U CN 201920277038 U CN201920277038 U CN 201920277038U CN 209799925 U CN209799925 U CN 209799925U
- Authority
- CN
- China
- Prior art keywords
- spring
- main body
- reinforcing
- float shoe
- fixing screw
- 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.)
- Expired - Fee Related
Links
Landscapes
- Lift Valve (AREA)
Abstract
The utility model discloses an oil well is with consolidating grout float shoe, its structure includes, the utility model discloses an oil well is with consolidating grout float shoe, this design proposes the reinforcing apparatus design, the connection of float shoe and oil pipe box has been solved and the screw thread is adopted to be connected, the screw thread easily wears and teares, lead to connecting not hard up problem, clockwise rotate first clamping screw with its precession first swivel nut, the first clamp splice of being connected with first clamping screw removes, block the one end of pipeline and fix, the same reason, clockwise rotation second clamping screw, precession second swivel nut, live through fixing of second clamp splice with the pipeline another side, reach and consolidate in the junction of float shoe and oil pipe box, avoid leading to not hard up beneficial effect because of the screw thread wearing and tearing.
Description
Technical Field
the utility model relates to an oil gas well cementing tool technical field, concretely relates to oil well is with consolidating grout float shoe.
Background
The float shoe is a tool at the lower part of the casing in the process of cementing the oil and gas well, the float shoe has the function of 'back pressure valve' for preventing the rubber plug from continuously descending, namely preventing the fluid outside the casing from entering the casing, and the grouting float shoe for the oil well is also technically improved along with the continuous expansion of oil well exploitation.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In order to overcome the defects of the prior art, the reinforcing grouting float shoe for the oil well is provided, the problem that a spring in the float shoe is easily contaminated with slurry and cannot normally work after the slurry is hardened is solved, the float shoe is connected with the oil pipe sleeve through threads, the threads are easily worn and are easily loosened, the problem of connection looseness is solved, the spring is protected, the spring is prevented from being contaminated with the slurry, the reinforcing is carried out at the joint of the float shoe and the oil pipe sleeve, and the beneficial effect that the looseness is caused by thread wear is avoided.
(II) technical scheme
The utility model discloses a following technical scheme realizes: the utility model provides an oil well is with consolidating and grouting float shoe, including float shoe main part, guide shoe, flow hole, first sealing washer, choked flow seat, rubber sleeve, conical valve head, valve rod, spring holder, spring protection device and reinforcing apparatus, guide shoe inboard lower extreme and float shoe main part upper end outside threaded connection, the flow hole sets up in guide shoe top middle part, first sealing washer sets up in the float shoe main part inside from down to up third department, and the first sealing washer outside and float shoe main part inboard fixed connection, the choked flow seat sets up on the first sealing washer top, the rubber sleeve sets up in choked flow seat middle part through-hole and with choked flow seat through-hole inboard fixed connection, conical valve head lower extreme sets up in rubber sleeve inboard upper end, valve rod bottom and conical valve head top middle part fixed connection, the spring sleeve is arranged outside the valve rod, the upper end of the spring is arranged inside the spring seat, the upper end of the valve rod vertically penetrates through the middle part of the top end of the spring seat and is in sliding connection with the top end of the spring seat, the outer side of the spring seat is fixedly connected with the upper end of the inner side of the float shoe main body, the spring protection device is arranged between the spring seat and the conical valve head, the reinforcement device is arranged at the bottom end of the float shoe main body, the spring protection device is composed of a first cylinder body, a second cylinder body, a first mounting plate, a second mounting plate, a snap ring and a second sealing ring, the inner side of the first cylinder body is in sliding connection with the outer side of the second cylinder body, the top end of the first mounting plate is fixedly connected with the bottom end of the first cylinder body, the bottom end of the second mounting plate is fixedly connected with the bottom end of the second cylinder body, the inner side, the second sealing ring is arranged at the bottom end of the clamping ring, the bottom end of the first mounting plate is fixedly connected with the top end of the conical valve head, the top end of the second mounting plate is fixedly connected with the middle part of the bottom end of the spring seat, the valve rod and the spring are arranged in the first barrel and the second barrel, the reinforcing device is composed of a reinforcing main body, a first screw sleeve, a second screw sleeve, a first fixing screw rod, a second fixing screw rod, a first clamping block and a second clamping block, the top end of the reinforcing main body is fixedly connected with the bottom end of the float shoe main body, the left end of the first screw sleeve is fixedly connected with the middle part of the right end of the reinforcing main body, the right end of the second screw sleeve is fixedly connected with the middle part of the left end of the reinforcing main body, the left end of the first fixing screw rod is arranged in the first screw sleeve, the left end of the first fixing screw rod vertically penetrates through the middle part of the right end of the reinforcing main body, the, the first clamping block is arranged at the right end of the inner side of the reinforcing body, the middle of the right end of the first clamping block is rotatably connected with the left end of the first fixing screw rod, the second clamping block is arranged at the left end of the inner side of the reinforcing body, and the right end of the second fixing screw rod is rotatably connected with the middle of the left end of the second clamping block.
Furthermore, the diameter of the top end of the conical valve head is larger than that of the through hole at the top end of the middle part of the flow blocking seat, and the outer side of the lower end of the conical valve head is tightly attached to the inner side of the rubber sleeve.
Furthermore, the first cylinder and the second cylinder are both hollow cylinders, and the inner diameter of the first cylinder is slightly larger than the outer diameter of the second cylinder.
Furthermore, the reinforcing body is in a circular ring shape, the top of the reinforcing body is sealed, and the bottom of the reinforcing body is open.
Furthermore, a hexagon nut is fixed at the right ends of the first fixing screw and the second fixing screw.
Furthermore, the first threaded sleeve and the second threaded sleeve are both cylinders with the length of 5cm and the diameter of 3cm, and the inner threads are meshed with the external threads of the first fixing screw and the second fixing screw.
furthermore, the first clamping block and the second clamping block are both in a semicircular arc shape, and tooth-shaped protrusions are arranged on the contact surfaces of the first clamping block and the second clamping block and the petroleum casing pipe.
Furthermore, the first clamping block is made of quenched and tempered steel.
Furthermore, the second sealing ring is made of silica gel.
(III) advantageous effects
Compared with the prior art, the utility model, following beneficial effect has:
1) The utility model discloses a spring protection device, including a first barrel and a second barrel, the spring of serving as a base is easy to be infected with and is stained with mud, mud sclerosis back, lead to the problem that the spring can not normally work, this design proposes the design of spring protection device, the spring of having solved in the float shoe is easy to be infected with and is stained with mud, mud sclerosis back, lead to the problem that the spring can not normally work, the second barrel is along with in the compression slip of spring first barrel, and be provided with the second sealing washer in first barrel and second barrel junction, avoid the thick liquid to flow into in first barrel and the second barrel, snap ring on the second barrel blocks first barrel inboard simultaneously, avoid the landing of second barrel, through the protection of first barrel and second barrel to the spring, reach and protect the spring, avoid the spring to be stained with the beneficial effect.
2) The utility model discloses a reinforcing apparatus, including a float shoe, a petroleum pipe sleeve, a first clamping block, a second clamping block, a first screw sleeve, a second clamping block, a screw thread, lead to connecting not hard up problem, this design proposes the reinforcing apparatus design, the connection of float shoe and petroleum pipe sleeve has been solved and has been adopted the screw thread to be connected, the screw thread easily wears, lead to connecting not hard up problem, clockwise rotation first clamping screw with it precession first screw sleeve, drive the first clamp splice of being connected with first clamping screw and remove, block the one end of pipeline and fix, the same reason, clockwise rotation second clamping screw, precession second screw sleeve, fix the pipeline another side through the second clamp splice, reach and consolidate in the junction of float shoe and petroleum pipe sleeve, avoid leading to not hard up beneficial effect because of screw thread wearing and tearing.
drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the inner structure of the float shoe main body of the present invention;
FIG. 3 is a schematic view of the internal structure of the spring protection device of the present invention;
Fig. 4 is a schematic view of the internal bottom structure of the reinforcing apparatus of the present invention;
In the figure: the floating shoe comprises a floating shoe main body-1, a guide shoe-2, a liquid flow hole-3, a first sealing ring-4, a flow resisting seat-5, a rubber sleeve-6, a conical valve head-7, a valve rod-8, a spring-9, a spring seat-10, a spring protection device-11, a reinforcing device-12, a first cylinder-111, a second cylinder-112, a first mounting plate-113, a second mounting plate-114, a snap ring-115, a second sealing ring-116, a reinforcing main body-121, a first threaded sleeve-122, a second threaded sleeve-123, a first fixing screw-124, a second fixing screw-125, a first clamping block-126 and a second clamping block-127.
Detailed Description
In the technical scheme:
Spring protection device 11, reinforcing device 12, first barrel 111, second barrel 112, first mounting plate 113, second mounting plate 114, snap ring 115, second sealing washer 116, reinforcement main body 121, first swivel nut 122, second swivel nut 123, first set screw 124, second set screw 125, first clamp splice 126, second clamp splice 127) do the utility model discloses contain the essential innovative component.
float shoe main part 1, guide shoe 2, flow liquid hole 3, first sealing washer 4, choked flow seat 5, rubber sleeve 6, conical valve head 7, valve rod 8, spring 9, spring holder 10 are for realizing the utility model discloses the essential connectivity component of technical scheme.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
referring to fig. 1, 2, 3 and 4, the present invention provides a reinforced grouting float shoe for oil well: comprises a float shoe main body 1, a guide shoe 2, a liquid flow hole 3, a first sealing ring 4, a choke seat 5, a rubber sleeve 6, a conical valve head 7, a valve rod 8, a spring 9, a spring seat 10, a spring protection device 11 and a reinforcing device 12, wherein the lower end of the inner side of the guide shoe 2 is in threaded connection with the outer side of the upper end of the float shoe main body 1, the liquid flow hole 3 is arranged in the middle of the top end of the guide shoe 2, the first sealing ring 4 is arranged at the one third part of the inner part of the float shoe main body 1 from bottom to top, the outer side of the first sealing ring 4 is fixedly connected with the inner side of the float shoe main body 1, the outer side of the choke seat 5 is fixedly connected with the inner side of the float shoe main body 1, the choke seat 5 is arranged at the top end of the first sealing ring 4, the rubber sleeve 6 is arranged in a through hole in the middle part of the choke seat 5 and, the spring 9 is sleeved outside the valve rod 8, the upper end of the spring 9 is arranged inside the spring seat 10, the upper end of the valve rod 8 vertically penetrates through the middle part of the top end of the spring seat 10 and is in sliding connection with the top end of the spring seat 10, the outer side of the spring seat 10 is fixedly connected with the upper end of the inner side of the float shoe main body 1, the spring protection device 11 is arranged between the spring seat 10 and the conical valve head 7, the reinforcing device 12 is arranged at the bottom end of the float shoe main body 1, the spring protection device 11 is composed of a first cylinder 111, a second cylinder 112, a first mounting plate 113, a second mounting plate 114, a snap ring 115 and a second sealing ring 116, the inner side of the first cylinder 111 is in sliding connection with the outer side of the second cylinder 112, the top end of the first mounting plate 113 is fixedly connected with the bottom end of the first cylinder 111, the bottom end of the second mounting plate 114 is fixedly connected with the bottom end of the second cylinder 112, the inner side of, the second sealing ring 116 is arranged at the bottom end of the snap ring 115, the bottom end of the first mounting plate 113 is fixedly connected with the top end of the conical valve head 7, the top end of the second mounting plate 114 is fixedly connected with the middle part of the bottom end of the spring seat 10, the first cylinder 111 and the second cylinder 112 are internally provided with the valve rod 8 and the spring 9, the reinforcing device 12 is composed of a reinforcing main body 121, a first threaded sleeve 122, a second threaded sleeve 123, a first fixing screw 124, a second fixing screw 125, a first clamping block 126 and a second clamping block 127, the top end of the reinforcing main body 121 is fixedly connected with the bottom end of the float shoe main body 1, the left end of the first threaded sleeve 122 is fixedly connected with the middle part of the right end of the reinforcing main body 121, the right end of the second threaded sleeve 123 is fixedly connected with the middle part of the left end of the reinforcing main body 121, the left end of the first fixing screw 124 is arranged inside the first threaded sleeve 122, the left end of the first fixing screw 124, and the right end of the second fixing screw 125 vertically penetrates through the middle part of the left end of the reinforcing body 121, the first clamping block 126 is arranged at the right end of the inner side of the reinforcing body 121, the middle part of the right end of the first clamping block 126 is rotatably connected with the left end of the first fixing screw 124, the second clamping block 127 is arranged at the left end of the inner side of the reinforcing body 121, and the right end of the second fixing screw 125 is rotatably connected with the middle part of the left end of the second clamping block 127.
Wherein, 7 top diameters of conical valve head are greater than the through-hole diameter on choked flow seat 5 middle part top, and 7 lower extreme outsides of conical valve head closely laminate with 6 inboards of rubber sleeve, can effectually plug up the through-hole on the choked flow seat 5, avoid the thick liquid refluence.
The first cylinder 111 and the second cylinder 112 are hollow cylinders, and the inner diameter of the first cylinder 111 is slightly larger than the outer diameter of the second cylinder 112, so that the second cylinder 112 slides into the first cylinder 111 along with the compression of the spring 9, and the slurry is prevented from being contaminated by the spring 9.
The reinforcing body 121 is annular, the top of the reinforcing body 121 is sealed, and the bottom of the reinforcing body is open, so that a pipeline can extend into the reinforcing body and can be connected with the float shoe body 1 conveniently.
The right ends of the first fixing screw 124 and the second fixing screw 125 are respectively fixed with a hexagon nut, so that a wrench can be conveniently inserted into the hexagon nuts, and the rotation of the first fixing screw 124 and the second fixing screw 125 is more labor-saving.
The first threaded sleeve 122 and the second threaded sleeve 123 are both cylinders 5cm long and 3cm in diameter, and the inner threads of the first threaded sleeve 122 and the second threaded sleeve 123 are meshed with the outer threads of the first fixing screw 124 and the second fixing screw 125, so that the first fixing screw 124 and the second fixing screw 125 can be screwed into the first threaded sleeve 122 and the second threaded sleeve 123, and the first clamping block 126 and the second clamping block 127 are driven to move.
The first clamping block 126 and the second clamping block 127 are both in a semicircular arc shape, and tooth-shaped protrusions are arranged on the contact surfaces of the first clamping block 126 and the second clamping block 127 and the petroleum casing pipe, so that the friction force between the first clamping block and the pipeline can be effectively increased, and the first clamping block and the second clamping block are fixed more tightly with the pipeline.
The first clamping block 126 is made of quenched and tempered steel, and has good comprehensive mechanical properties and high strength.
The second sealing ring 116 is made of silica gel, and has good wear resistance and higher toughness.
The first clamping block 126 is made of quenched and tempered steel, generally medium carbon steel with a carbon content of 0.3-0.6%, parts made of the steel generally need to have good comprehensive mechanical properties, namely, the parts have good plasticity and toughness while keeping high strength, people often use quenching and tempering to achieve the purpose, so people are customarily called quenched and tempered steel, structural parts on various machines adopt quenched and tempered steel in a large amount, and the first clamping block is the most widely used steel in structural steel.
The working principle is as follows: firstly, a pipeline interface is screwed into the float shoe main body 1 through threads, then the pipeline interface is inserted into a hexagon nut at the rear end of a first fixing screw 124 through a wrench, the first fixing screw 124 is rotated clockwise to be screwed into a first screw sleeve 122 to drive a first clamping block 126 connected with the first fixing screw 124 to move, one end of a pipeline is clamped and fixed, similarly, a second fixing screw 125 is rotated clockwise to be screwed into a second screw sleeve 123, the other side of the pipeline is fixed through a second clamping block 127, tooth-shaped convex blocks are arranged on the first clamping block 126 and the second clamping block 127, the friction force between the pipeline and the pipeline can be effectively increased, the pipeline and the pipeline are fixed more tightly, when grouting is carried out, slurry flows into the float shoe main body 1 from the pipeline and is blocked by a flow resisting seat 5, flows into a through hole in the flow resisting seat 5, a conical valve head 7 is pressed downwards, and a rubber sleeve 6 is arranged in the through hole of the flow resisting seat 5, buffering is carried out, the conical valve head 7 is pressed downwards to enable the valve rod 8 to extend out of the spring seat 10, the spring 9 is compressed, meanwhile, slurry flows into a space between the conical valve head 7 and the spring seat 10, flows into the guide shoe 2 from a through hole in the spring seat 10, then flows out from the fluid hole 3 in the guide shoe 2, in the process of passing the slurry, the second cylinder 112 slides into the first cylinder 111 along with the compression of the spring 9, the second sealing ring 116 is arranged at the joint of the first cylinder 111 and the second cylinder 112 to prevent the slurry from flowing into the first cylinder 111 and the second cylinder 112, meanwhile, the clamping ring 115 on the second cylinder 112 clamps the inner side of the first cylinder 111 to prevent the second cylinder 112 from sliding off, the spring 9 is protected by the first cylinder 111 and the second cylinder 112 to prevent the spring 9 from being damaged by the slurry, finally, after grouting, the spring 9 rebounds, and the conical valve head 7 blocks the through hole in the flow resisting seat 5, the design of the spring protection device 11 is provided, the problem that the spring in the floating shoe is easily contaminated by mud and cannot work normally after the mud is hardened is solved, the second cylinder 112 slides into the first cylinder 111 along with the compression of the spring 9, the second sealing ring 116 is arranged at the joint of the first cylinder 111 and the second cylinder 112, the situation that the mud flows into the first cylinder 111 and the second cylinder 112 is avoided, meanwhile, the clamping ring 115 on the second cylinder 112 clamps the inner side of the first cylinder 111, the second cylinder 112 slides off is avoided, the spring 9 is protected through the first cylinder 111 and the second cylinder 112, the beneficial effects that the spring is protected and is prevented from being contaminated by mud are achieved, the design provides the design of the reinforcing device 12, the problem that the floating shoe and the petroleum pipe sleeve are connected by threads and are easily worn and cause loose connection is solved, the first fixing screw 124 is rotated clockwise to be screwed into the first screw sleeve 122, the first clamping block 126 connected with the first fixing screw 124 is driven to move, one end of the pipeline is clamped and fixed, and similarly, the second fixing screw 125 is rotated clockwise, the second threaded sleeve 123 is screwed in, the other side of the pipeline is fixed through the second clamping block 127, so that the joint of the floating shoe and the petroleum pipe sleeve is reinforced, and the beneficial effect of looseness caused by thread abrasion is avoided.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides an oil well is with consolidating grout float shoe, includes float shoe main part (1), guide shoe (2), flow liquid hole (3), first sealing washer (4), choked flow seat (5), rubber sleeve (6), conical valve head (7), valve rod (8), spring (9) and spring holder (10), its characterized in that: the anti-blocking type floating shoe is characterized by further comprising a spring protection device (11) and a reinforcing device (12), the lower end of the inner side of the guide shoe (2) is in threaded connection with the outer side of the upper end of the floating shoe main body (1), the liquid flowing hole (3) is formed in the middle of the top end of the guide shoe (2), the first sealing ring (4) is arranged in the floating shoe main body (1) from bottom to top, the outer side of the first sealing ring (4) is fixedly connected with the inner side of the floating shoe main body (1), the outer side of the blocking seat (5) is fixedly connected with the inner side of the floating shoe main body (1), the blocking seat (5) is arranged at the top end of the first sealing ring (4), the rubber sleeve (6) is arranged in a through hole in the middle of the blocking seat (5) and is fixedly connected with the inner side of the through hole of the blocking seat (5), the lower end of the conical valve head (7) is arranged at the upper end of the, the spring (9) is sleeved outside the valve rod (8), the upper end of the spring (9) is arranged on the inner side of the spring seat (10), the upper end of the valve rod (8) vertically penetrates through the middle of the top end of the spring seat (10) and is in sliding connection with the top end of the spring seat (10), the outer side of the spring seat (10) is fixedly connected with the inner side upper end of the float shoe main body (1), the spring protection device (11) is arranged between the spring seat (10) and the conical valve head (7), the reinforcing device (12) is arranged at the bottom end of the float shoe main body (1), the spring protection device (11) is composed of a first cylinder body (111), a second cylinder body (112), a first mounting plate (113), a second mounting plate (114), a snap ring (115) and a second sealing ring (116), the inner side of the first cylinder body (111) is in sliding connection with the outer side of the second cylinder body (112), the top end of the first mounting plate (, second mounting panel (114) bottom and second barrel (112) bottom fixed connection, snap ring (115) inboard bottom fixed connection in the second barrel (112) outside, second sealing washer (116) set up in first barrel (111) inboard top and with first barrel (111) inboard fixed connection, second sealing washer (116) set up in snap ring (115) bottom, first mounting panel (113) bottom and conical valve head (7) top fixed connection, second mounting panel (114) top and spring holder (10) bottom middle part fixed connection, inside valve rod (8) and the spring (9) of being provided with of first barrel (111) and second barrel (112), reinforcing apparatus (12) are by reinforcing main part (121), first swivel nut (122), second swivel nut (123), first set screw (124), second set screw (125), The upper end of the reinforcing main body (121) is fixedly connected with the bottom end of the floating shoe main body (1), the left end of the first threaded sleeve (122) is fixedly connected with the middle part of the right end of the reinforcing main body (121), the right end of the second threaded sleeve (123) is fixedly connected with the middle part of the left end of the reinforcing main body (121), the left end of the first fixing screw rod (124) is arranged inside the first threaded sleeve (122), the left end of the first fixing screw rod (124) vertically penetrates through the middle part of the right end of the reinforcing main body (121), the right end of the second fixing screw rod (125) is arranged inside the second threaded sleeve (123), the right end of the second fixing screw rod (125) vertically penetrates through the middle part of the left end of the reinforcing main body (121), the first clamping block (126) is arranged at the right end of the inner side of the reinforcing main body (121), and the middle part of the right end of the first clamping block (126) is rotatably connected with the left end of the first fixing screw rod (124), the second clamping block (127) is arranged at the left end of the inner side of the reinforced main body (121), and the right end of the second fixing screw rod (125) is rotatably connected with the middle part of the left end of the second clamping block (127).
2. the reinforced grouting float shoe for oil wells according to claim 1, characterized in that: the diameter of the top end of the conical valve head (7) is larger than that of the through hole at the top end of the middle part of the flow choking seat (5), and the outer side of the lower end of the conical valve head (7) is tightly attached to the inner side of the rubber sleeve (6).
3. The reinforced grouting float shoe for oil wells according to claim 1, characterized in that: the first cylinder (111) and the second cylinder (112) are both hollow cylinders, and the inner diameter of the first cylinder (111) is slightly larger than the outer diameter of the second cylinder (112).
4. The reinforced grouting float shoe for oil wells according to claim 1, characterized in that: the reinforcing body (121) is annular, the top of the reinforcing body (121) is sealed, and the bottom of the reinforcing body is open.
5. The reinforced grouting float shoe for oil wells according to claim 1, characterized in that: and the right ends of the first fixing screw rod (124) and the second fixing screw rod (125) are both fixed with a hexagonal nut.
6. The reinforced grouting float shoe for oil wells according to claim 1, characterized in that: the first threaded sleeve (122) and the second threaded sleeve (123) are both cylinders 5cm long and 3cm in diameter, and the inner threads are meshed with the external threads of the first fixing screw rod (124) and the second fixing screw rod (125).
7. The reinforced grouting float shoe for oil wells according to claim 1, characterized in that: the first clamping block (126) and the second clamping block (127) are both in a semicircular arc shape, and tooth-shaped protrusions are arranged on the contact surfaces of the first clamping block and the second clamping block and the petroleum casing pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920277038.1U CN209799925U (en) | 2019-03-05 | 2019-03-05 | Reinforcing grouting float shoe for oil well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920277038.1U CN209799925U (en) | 2019-03-05 | 2019-03-05 | Reinforcing grouting float shoe for oil well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209799925U true CN209799925U (en) | 2019-12-17 |
Family
ID=68823589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920277038.1U Expired - Fee Related CN209799925U (en) | 2019-03-05 | 2019-03-05 | Reinforcing grouting float shoe for oil well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209799925U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114593298A (en) * | 2022-03-01 | 2022-06-07 | 中石化石油工程技术服务有限公司 | Male connector, male connector plugging cap thereof, quick connection dry valve and female connector plug |
| CN115977581A (en) * | 2023-03-20 | 2023-04-18 | 山东健源石油工程技术有限公司 | Automatic grouting floating shoe device for oil well construction and pouring method |
-
2019
- 2019-03-05 CN CN201920277038.1U patent/CN209799925U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114593298A (en) * | 2022-03-01 | 2022-06-07 | 中石化石油工程技术服务有限公司 | Male connector, male connector plugging cap thereof, quick connection dry valve and female connector plug |
| CN115977581A (en) * | 2023-03-20 | 2023-04-18 | 山东健源石油工程技术有限公司 | Automatic grouting floating shoe device for oil well construction and pouring method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209799925U (en) | Reinforcing grouting float shoe for oil well | |
| CN204267061U (en) | For the compressing cylinder that allows of anchor pole and anchor cable | |
| CN102373888A (en) | Sleeve floating coupling and well cementing method | |
| CN201794527U (en) | Casing float collar | |
| CN203285393U (en) | Scale scrapping device of pumping unit polish rod | |
| CN202441892U (en) | Sealing structure for underground hydraulic cylinder | |
| CN209293742U (en) | A kind of packer | |
| CN211116115U (en) | Anti-recoil nozzle for filling and slurrying of underground mine tailings | |
| CN210599019U (en) | Broken coal rock mass hole sealing slip casting reinforcing apparatus | |
| CN204782834U (en) | Novel continuous outside of tubes slips connector | |
| CN206707670U (en) | Automatically reset hole packer | |
| CN207813555U (en) | Bidirectional clamping cam blanking plug | |
| CN204754805U (en) | Connect pump pole to prevent inclined to one side grinder utensil | |
| CN203025002U (en) | Rotating pressure valve type undisturbed soil sampler | |
| CN101905338A (en) | Drillings remover and drill | |
| CN211144979U (en) | Swing arm self-locking secondary cylinder of full hydraulic drilling machine | |
| CN205330588U (en) | Sealed expansion pipe cluster assembly of long distance for oil drilling | |
| CN205677551U (en) | A kind of chuck on the hydraulic drive rig power head of colliery | |
| CN202544788U (en) | Elastic rope retainer | |
| CN208950495U (en) | Horizontal well is with brill booster | |
| CN217951291U (en) | Diaphragm valve convenient to overhaul | |
| CN202708467U (en) | High-pressure oil line protective pipe | |
| CN208153318U (en) | A kind of fluid power self-sealed plunger and the antiscale card oil well pump using it | |
| CN204627450U (en) | A kind of Oil/gas Well steel joint aluminium alloys oil pipe | |
| CN204238866U (en) | Nested pair of drilling rod |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191217 |