CN110424898B - Telescopic pipeline length adjusting mechanism for drilling sand discharge pipeline - Google Patents
Telescopic pipeline length adjusting mechanism for drilling sand discharge pipeline Download PDFInfo
- Publication number
- CN110424898B CN110424898B CN201910809526.7A CN201910809526A CN110424898B CN 110424898 B CN110424898 B CN 110424898B CN 201910809526 A CN201910809526 A CN 201910809526A CN 110424898 B CN110424898 B CN 110424898B
- Authority
- CN
- China
- Prior art keywords
- pipe
- extension pipe
- pipeline
- lower base
- side part
- 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.)
- Active
Links
- 239000004576 sand Substances 0.000 title claims abstract description 51
- 238000005553 drilling Methods 0.000 title claims abstract description 43
- 230000007246 mechanism Effects 0.000 title claims abstract description 43
- 238000007789 sealing Methods 0.000 claims description 48
- 239000007788 liquid Substances 0.000 claims description 11
- 238000011144 upstream manufacturing Methods 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 8
- 239000003921 oil Substances 0.000 description 16
- 239000007789 gas Substances 0.000 description 13
- 230000008602 contraction Effects 0.000 description 4
- 239000010720 hydraulic oil Substances 0.000 description 4
- 210000001503 joint Anatomy 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000003211 malignant effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention provides a telescopic pipeline length adjusting mechanism for a well drilling sand discharge pipeline, which comprises a lower base flange, a lower base pipe, an upper base pipe, a first-stage extension pipe, a second-stage extension pipe and a limiting ring which are coaxial, wherein the left side of the lower base flange and the right side of the second-stage extension pipe are respectively connected with an upper hard pipeline and a lower hard pipeline; the left side of the upper foundation pipe is connected with the right side of the lower foundation pipe through threads; the primary extension pipe can move left and right in the space formed by the outer protruding part of the lower foundation flange, the lower foundation pipe and the upper foundation pipe to realize primary extension; the convex part of the secondary extension pipe is positioned between the limiting ring and the limiting protruding part of the primary telescopic pipe, so that the secondary extension pipe can move left and right between the limiting protruding part of the primary telescopic pipe and the limiting ring to realize secondary extension. The invention can easily, conveniently and randomly adjust the length of the sand discharge pipeline, quickly butt-joint the sand discharge pipeline, avoid repeatedly lifting and prying, reduce the workload and the working intensity of staff, shorten the installation working period and save the cost of the staff and the use cost of a crane.
Description
Technical Field
The invention relates to the technical field of oil and gas drilling engineering, in particular to sand discharging manifold equipment for drilling.
Background
Gas drilling is a drilling mode in which gas is used as a circulating and sand-carrying medium. Compared with the conventional drilling fluid, the bottom pressure of the gas drilling well is far lower than the bottom fluid column pressure, and the negative pressure is always kept in the drilling process, so that the underbalanced drilling is realized. The gas drilling is used as a new technology developed and matured in China in the 80 th century, and forms four main body technologies of dry gas drilling (air, nitrogen), atomization drilling, foam drilling and inflation drilling, and has the advantages of improving the mechanical drilling speed, treating malignant lost circulation, finding and protecting a reservoir. In recent years, various oil and gas fields in China are popularized and applied, and good application effects are achieved.
Generally, sand discharge pipelines in the well site are connected by flanges, and are preferably connected out of the well site in a straight manner. Because the sand discharge pipeline has large diameter and heavy weight, the butt joint between the field sand discharge pipelines is difficult in most of the time, and the butt joint is difficult to achieve once. Typically, there will be a gap between the two sand discharge lines. In order to ensure that the connection is tightly sealed, flanges (or clamping hoops) at the end parts of the pipelines are contacted together in a manual lifting mode, a prying mode and the like, and then are fastened. The sand discharge pipeline has a large weight, so that the pipeline is very inconvenient to install. The method greatly increases the installation operation time, the workload and the working intensity of workers, the cost of the workers and the use cost of a crane, even causes the stop of a drilling machine and the like, and prolongs the serious consequences of the drilling period.
Disclosure of Invention
The present invention aims to address at least one of the above-mentioned deficiencies of the prior art. For example, it is an object of the present invention to provide a connection mechanism that can be adapted to hard-line docking conditions at a drilling and sand removal site.
In order to achieve the above object, the present invention provides a telescopic pipe length adjustment mechanism for a sand discharge pipe for drilling, the telescopic pipe length adjustment mechanism comprising a lower base flange, a lower base pipe, an upper base pipe, a primary extension pipe, a stop collar, and a secondary extension pipe coaxially disposed, wherein the lower base flange has a left side portion capable of being connected with an upstream hard pipe of the sand discharge pipe, and a right side portion provided with an outer protrusion protruding radially outwards; the lower base pipe has a left side portion fixedly connected with the outer protruding portion of the right side portion of the lower base flange through an anti-rotation member, and a right side portion on the inner circumferential surface of which a first thread is provided; the upper base pipe comprises a left side part with a first inner diameter and a right side part with a second inner diameter, wherein the first inner diameter is larger than the second inner diameter, and a second thread which can be matched with the first thread of the right side part of the lower base pipe is arranged on the outer circumferential wall of the left side part of the upper base pipe; the first-stage extension pipe comprises a left side part with a first outer diameter, a right side part with a second outer diameter and a limit protruding part arranged on the inner circumferential surface of the right side part of the first-stage extension pipe, wherein the first outer diameter is larger than the first inner diameter, the second outer diameter is smaller than the first inner diameter, the left side part of the first-stage extension pipe is positioned between the left end surface of the left side part of the upper base pipe and the right end surface of the outer protruding part of the lower base flange, the right side part of the first-stage extension pipe is positioned between the left end surface of the right side part of the upper base pipe and the right end surface of the outer protruding part of the lower base flange, and the first-stage extension pipe can move leftwards or rightwards in a space formed by the outer protruding part of the lower base pipe and the upper base pipe; the limiting ring is fixedly connected to the inner circumferential wall of the left side part of the primary extension pipe; the secondary extension pipe comprises a left side part with a third outer diameter, a middle convex part with a fourth outer diameter and a right side part with a fifth outer diameter which can be connected with a downstream hard pipeline of the sand discharge pipeline, wherein the third outer diameter is smaller than the fourth outer diameter, the fifth outer diameter is smaller than the fourth outer diameter and equal to the second inner diameter, the left side part of the secondary extension pipe penetrates through the limiting ring and then is inserted into the right side part of the lower base flange, and the middle convex part is positioned between the limiting protruding part and the limiting ring of the primary telescopic pipe, so that the secondary extension pipe can move leftwards or rightwards between the limiting protruding part and the limiting ring of the primary telescopic pipe.
In one exemplary embodiment of the present invention, the telescopic pipe length adjustment mechanism may further include a secondary extension pipe flange capable of connecting the right side portion of the secondary extension pipe with a downstream hard pipe of the sand discharge pipe.
In one exemplary embodiment of the present invention, the telescopic pipe length adjusting mechanism may further include a first seal provided between the outer circumferential wall of the left portion of the primary extension pipe and the inner circumferential wall of the lower base pipe, a second seal provided between the outer circumferential wall of the left portion of the secondary extension pipe and the inner circumferential wall of the lower base flange, and a third seal provided between the outer circumferential wall of the middle protrusion of the secondary extension pipe and the inner circumferential wall of the right portion of the primary extension pipe. In addition, the telescopic pipeline length adjusting mechanism can further comprise a liquid injection port, and the liquid injection port can be used for connecting a space surrounded by the first sealing piece, the second sealing piece and the third sealing piece with the first hydraulic device. Here, one or more of the first, second and third seals may include sealing rings and sealing grooves that cooperate with each other.
In one exemplary embodiment of the present invention, the telescopic pipe length adjusting mechanism may further include a fourth seal disposed between the left side portion of the upper base pipe and the right side portion of the lower base pipe, and a fifth seal disposed between the right side portion of the upper base pipe and the right side portion of the secondary extension pipe. In addition, the telescopic pipeline length adjusting mechanism can further comprise a liquid return port, and the liquid return port can be used for connecting a space surrounded by the first sealing piece, the third sealing piece, the fourth sealing piece and the fifth sealing piece with the second hydraulic device. Here, the fourth seal and/or the fifth seal may include a seal ring and a seal groove that cooperate with each other.
Compared with the prior art, the invention has the beneficial effects that: the length of the sand discharge pipeline can be easily, conveniently and randomly adjusted, the sand discharge pipeline can be quickly butted, repeated lifting and prying are avoided, the workload and the working strength of workers are greatly reduced, the installation operation period is shortened, the cost of the workers and the use cost of a crane are saved, and serious consequences such as drilling machine stopping and prolonged drilling period are avoided.
Drawings
FIG. 1a illustrates a schematic diagram of an exemplary embodiment of a telescoping line length adjustment mechanism for a sand removal drilling line of the present invention;
FIG. 1b shows a cross-section corresponding to section H-H in FIG. 1 a;
FIG. 2 illustrates an external schematic view of an exemplary embodiment of a telescoping line length adjustment mechanism for a sand removal drilling line of the present invention;
FIG. 3 illustrates a schematic view of an exemplary embodiment of a telescoping line length adjustment mechanism for a sand removal drilling line of the present invention in a first stage extended state;
FIG. 4 illustrates a schematic view of a two-stage extended state of an exemplary embodiment of a telescoping line length adjustment mechanism for a sand removal drilling line of the present invention;
Fig. 5 shows an external appearance of an exemplary embodiment of the telescopic pipe length adjustment mechanism for a sand removal pipe of the present invention.
Reference numerals illustrate:
The device comprises a B1-lower base pipe flange, a B2-first-stage extension pipe, a B3-lower base pipe, a B4-first-stage extension pipe limiting ring, a B5-upper base pipe, a B6-second-stage extension pipe, a B7-second-stage extension pipe flange, a B8-oil return port, a B9-inner hexagon screw and a B10-oil filling port.
Detailed Description
Hereinafter, the telescopic pipe length adjusting mechanism for a sand removal pipe for a well according to the present invention will be described in detail with reference to the accompanying drawings and exemplary embodiments.
In one exemplary embodiment of the present invention, a telescoping line length adjustment mechanism for a sand removal drilling line may include a lower base flange, a lower base pipe, an upper base pipe, a primary extension pipe, a stop collar, and a secondary extension pipe coaxially disposed.
The left side of the lower base flange can be connected with an upstream hard pipeline of the sand discharge pipeline; the right side of the lower foundation flange may be provided with an outer protrusion protruding radially outwards. The outer protrusion of the lower base flange may have a flange-like shape.
The left side of the lower foundation pipe can be fastened and connected with the outer protruding part of the lower foundation flange through an anti-rotation component. The anti-rotation member is capable of limiting relative rotation between the lower base pipe and the lower base flange. For example, the anti-rotation member may be an inner polygonal screw, however, the present invention is not limited thereto. The right inner circumferential surface of the lower base pipe may be provided with a first screw thread having a predetermined width in the axial direction.
The upper base pipe may include a left side portion having a first inner diameter and a right side portion having a second inner diameter. Wherein the first inner diameter is greater than the second inner diameter. The outer circumferential wall of the left side portion of the upper base pipe may be provided with a second screw thread capable of being engaged with the first screw thread of the lower base pipe. The upper base pipe and the lower base pipe can be combined together by the cooperation of the second screw thread and the first screw thread. The lower base pipe is similar to the female pipe and the upper base pipe is similar to the male pipe.
The primary extension pipe may include a left side portion having a first outer diameter, a right side portion having a second outer diameter, and a limit protrusion disposed on an inner circumferential surface of the right side portion of the primary extension pipe. Wherein the first outer diameter is greater than the first inner diameter and the second outer diameter is less than the first inner diameter. The left side part of the primary extension pipe is positioned between the left end surface of the left side part of the upper foundation pipe and the right end surface of the outer protruding part of the lower foundation flange; the right side of the primary extension pipe is located between the left end face of the right side of the upper foundation pipe and the right end face of the outer protruding portion of the lower foundation flange, and the primary extension pipe can move leftwards or rightwards in the space formed by the outer protruding portion of the lower foundation flange, the lower foundation pipe and the upper foundation pipe along the axial direction.
The limiting ring can be fixedly connected to the inner circumferential wall of the left side part of the primary extension pipe.
The secondary extension tube may include a left side portion having a third outer diameter, a middle lobe having a fourth outer diameter, and a right side portion having a fifth outer diameter. The left part, the middle convex part and the right part of the secondary extension pipe are sequentially connected along the axial direction. The right side of the secondary extension pipe can be connected with a downstream hard pipeline of the sand discharge pipeline. For example, the right side portion of the secondary extension pipe may be connected to a hard line downstream of the sand discharge line by a secondary extension pipe flange to make the connection more convenient and easy to operate, but the present invention is not limited thereto. And the third outer diameter is smaller than the fourth outer diameter, and the fifth outer diameter is smaller than the fourth outer diameter and equal to the second inner diameter. The left side of the secondary extension pipe can pass through the right side of the lower foundation flange inserted after the stop collar. For example, the limiting ring is sleeved on the left side part of the secondary telescopic pipe and is positioned between the right side part of the lower foundation flange and the middle convex part of the secondary telescopic pipe. The convex part of the secondary extension pipe is positioned between the limiting protruding part and the limiting ring of the primary telescopic pipe, so that the secondary extension pipe can move leftwards or rightwards between the limiting protruding part and the limiting ring of the primary telescopic pipe.
In another exemplary embodiment of the present invention, the telescopic pipe length adjusting mechanism for a sand discharge pipe for drilling may further include a first sealing member, a second sealing member and a third sealing member on the basis of the structure of the above exemplary embodiment. Wherein the first sealing member may be disposed between the outer circumferential wall of the left side portion of the primary extension pipe and the inner circumferential wall of the lower base pipe, thereby improving sealability of contact connection of the outer circumferential wall of the left side portion of the primary extension pipe and the inner circumferential wall of the lower base pipe with each other. For example, the first seal may be a sealing ring and a sealing groove that cooperate with each other. The second seal may be disposed between an outer circumferential wall of the left portion of the secondary extension pipe (e.g., a portion of the secondary extension pipe inserted into the lower base flange) and an inner circumferential wall of the lower base flange, thereby improving sealability of contact connection of the outer circumferential wall of the left portion of the secondary extension pipe and the inner circumferential wall of the lower base flange with each other. For example, the second seal may be a sealing ring and a sealing groove that cooperate with each other. The third sealing member may be disposed between the outer circumferential wall of the middle convex portion of the secondary extension pipe and the inner circumferential wall of the right side portion of the primary extension pipe, thereby improving sealability of contact connection between the outer circumferential wall of the middle convex portion of the secondary extension pipe and the inner circumferential wall of the right side portion of the primary extension pipe. For example, the third seal may be a sealing ring and a sealing groove that cooperate with each other. However, the seal used in the present invention is not limited thereto, and other members capable of achieving an effective sealing function may be used.
In addition, the telescopic pipeline length adjusting mechanism can further comprise a liquid injection port. The liquid filling port can be used for connecting a space surrounded by the first sealing piece, the second sealing piece and the third sealing piece with the first hydraulic device. For example, the filler neck may be a filler neck. Through being connected annotating liquid mouth and hydraulic equipment, operating personnel can very conveniently realize through operating hydraulic equipment to promote the one-level extension pipe along the axial right and promote the second grade extension pipe right, realize the right removal of one-level extension pipe and the right removal of second grade extension pipe promptly. However, the present invention is not limited thereto, and for example, rightward movement of the primary extension pipe and rightward movement of the secondary extension pipe may be also realized directly by applying rightward external force.
In another exemplary embodiment of the present invention, the telescopic pipeline length adjusting mechanism may further include a fourth seal and a fifth seal on the basis of having the first seal, the second seal, and the third seal. The fourth sealing member may be disposed between an outer circumferential surface of the left portion of the upper base pipe and an inner circumferential surface of the right portion of the lower base pipe, so that sealability between the upper base pipe and the lower base pipe can be improved. For example, the fourth seal may be a sealing ring and a sealing groove that cooperate with each other. The fifth sealing member may be disposed between an inner circumferential surface of the right portion of the upper base pipe and an outer circumferential surface of the right portion of the second-stage extension pipe, so that sealability of a contact portion of the upper base pipe and the second-stage extension pipe can be improved. For example, the fifth seal may be a sealing ring and a sealing groove that cooperate with each other.
In addition, the telescopic pipeline length adjusting mechanism can further comprise a liquid return port. The liquid return port can connect a space surrounded by the first sealing element, the third sealing element, the fourth sealing element and the fifth sealing element with the second hydraulic device. For example, the return port may be an oil return port. Through being connected back liquid mouth and hydraulic equipment, operating personnel can very conveniently realize pushing the one-level extension pipe left along the axial and pushing the second grade extension pipe left through operating hydraulic equipment, realize the left removal of one-level extension pipe and the left removal of second grade extension pipe promptly. However, the present invention is not limited thereto, and for example, the leftward movement of the primary extension pipe and the leftward movement of the secondary extension pipe may be also realized directly by applying a leftward external force.
The telescopic pipeline length adjusting mechanism for the drilling sand discharge pipeline can be applied to combination of different numbers and different positions. When the axial installation position of the pipeline has errors in the manifold installation process, the position of the connecting flange (or other connecting modes such as a coupling and the like) can be conveniently adjusted, and smooth installation is ensured.
FIG. 1a illustrates a schematic diagram of an exemplary embodiment of a telescoping line length adjustment mechanism for a sand removal drilling line of the present invention; fig. 1b shows a cross-section corresponding to the H-H section in fig. 1 a. Fig. 2 shows a schematic external view of an exemplary embodiment of a telescopic pipeline length adjustment mechanism for a sand removal pipeline of the present invention. FIG. 3 illustrates a schematic view of an exemplary embodiment of a telescoping line length adjustment mechanism for a sand removal drilling line of the present invention in a first stage extended state; fig. 4 shows a schematic view of a two-stage extended state of an exemplary embodiment of the telescopic pipeline length adjustment mechanism for a sand removal pipeline for drilling of the present invention. Fig. 5 shows an external appearance of an exemplary embodiment of the telescopic pipe length adjustment mechanism for a sand removal pipe of the present invention.
As shown in fig. 1a and 1B, in an exemplary embodiment of the present invention, a telescopic pipeline length adjustment mechanism B for a sand removal pipeline of a well may include: lower basic pipe flange B1, one-level extension pipe B2, lower basic pipe B3, one-level extension pipe spacing ring B4, upper basic pipe B5, second grade extension pipe B6, second grade extension pipe flange B7, oil return port B8, hexagon socket head cap screw B9, and oiling mouth B10.
The left side of the lower base pipe flange B1 is an upstream inlet, and is connected with an upstream pipeline through a flange (or a clamp and the like). The left side of the secondary extension pipe B6 is inserted into the lower base pipe flange B1, and the right side is connected with the secondary extension pipe flange B7 through threads. The right side of the secondary extending pipe flange B7 is a downstream outlet which is connected with a downstream pipeline. The secondary extension pipe flange B7 can be in flange connection or can be in other connection modes such as a clamp. The right end of the lower base pipe flange B1 is fastened with the lower base pipe B3 through an inner hexagon screw B9.
The upper base pipe B5 and the lower base pipe B3 are in threaded connection. The primary extension pipe limiting ring B4 is in threaded connection with the primary extension pipe B2. The right side of the primary extension pipe B2 is provided with a limit projection protruding inward in the radial direction. The middle part of the secondary extension pipe B6 is provided with a convex part protruding outwards along the radial direction, and the convex part can enable the secondary extension pipe to move left and right between the limiting protruding parts of the primary extension pipe limiting ring B4 and the primary extension pipe B2. For example, the pipe body of the secondary extension pipe can be processed by using a phi 244.5mm sleeve, the sleeve material and the mechanical property meet the API standard, the secondary extension pipe has high internal pressure resistance strength, and the safety of gas drilling operation can be ensured. An oil filling port B10 is arranged on the right side of the lower base pipe flange B1 and is used for filling hydraulic oil. The outer side of the lower base pipe B3 is provided with a hole and is connected with an oil return port B8 through threads.
When the lower base pipe flange B1 is connected with the upstream pipeline, other parts are fixed except the primary extension pipe B2 and the secondary extension pipe B6. The primary extension pipe B2 can move left and right along the axis in the space formed by the lower base flange and the upper base pipe B5 of the B1 to realize primary extension, and the state of the primary extension pipe B2 can be shown as shown in figure 3. The secondary extension pipe B6 can axially move in the left and right end faces of the inner ring groove formed by the limit protruding part of the primary extension pipe B2 and the primary extension pipe limit ring B4 to realize secondary extension, and the state of the secondary extension pipe B6 can be shown in figure 4. The multi-stage expansion and contraction can be designed according to the requirements, the expansion and contraction is not limited to the two-stage expansion and contraction, and the total length of the expansion and contraction can be designed according to the requirements. For example, the primary expansion may have a dimension of 12-18 mm and the secondary expansion may have a dimension of 40-50 mm. As shown in fig. 1a, a sealing groove may be provided between the respective components, and sealing may be performed with a sealing ring.
The oil filling port B10 on the lower base pipe flange B1 and the oil return port B8 on the lower base pipe B3 can be respectively connected with a hand pump. When the hydraulic pump needs to be stretched, the hydraulic pump connected with the oil filling port B10 is pressed into hydraulic oil to push the primary stretching pipe B2 and the secondary stretching pipe B6 to stretch out, and the hydraulic pump connected with the oil return port B8 is in a pressure relief state. When the hydraulic pump needs to shrink, the hand pump connected with the oil return port B8 is pressed into hydraulic oil to push the primary extension pipe B2 and the secondary extension pipe B6 to shrink, and the hand pump connected with the oil filling port B10 is in a pressure release state. In the practical application process, when the condition of the hand pump is not met, the hand pump is not driven in a hydraulic oil mode. The oil return port B8 and the oil filling port B10 are opened, so that the internal cavity is communicated with the outside, and the secondary extension pipe B6 can be lengthened or contracted in a manual mode.
Fig. 2 and 5 show an external schematic view of the present exemplary embodiment.
In summary, the telescopic pipeline length adjusting mechanism for the sand removal pipeline for drilling of the invention can comprise the following characteristics:
(1) The device can be used singly or used together with one or more devices of a radial azimuth stepless angle adjusting mechanism (authorized bulletin number: CN 106437579B) for a gas drilling manifold, a universal adjusting nipple (authorized bulletin number: CN 206220883U) for a gas drilling pipeline and a steering mechanism (CN 207377518U) for a planetary gas drilling manifold to form a manifold system with more perfect functions;
(2) The telescopic pipeline length adjusting mechanism can be suitable for various conditions of drilling sand removal manifold installation by carrying out combined application of different numbers and different positions; when the axial installation position of the pipeline has errors in the manifold installation process, the position of the connecting flange (or other connecting modes such as a coupling and the like) can be conveniently adjusted, so that smooth installation is ensured;
(3) The hydraulic mode of the hand pump can be adopted, and the extension and shortening can be realized in a manual dragging mode, so that the operability is high, and the operation is convenient and reliable;
(4) The extension length can be adjusted according to the requirements, is very flexible, and completely meets the requirement of the distance for pipeline butt joint of the drilling sand discharge site;
(5) The telescopic pipeline length adjusting mechanism for the drilling sand discharge pipeline is mainly used for a gas drilling sand discharge manifold, but can also be used for connecting a gas supply manifold, and can be even applied to hard manifold systems in other fields in an expanding manner.
Although the present invention has been described above with reference to the exemplary embodiments and the accompanying drawings, it should be apparent to those of ordinary skill in the art that various modifications can be made to the above-described embodiments without departing from the spirit and scope of the claims.
Claims (7)
1. A telescopic pipeline length adjusting mechanism for a well drilling sand discharge pipeline is characterized by comprising a lower base flange, a lower base pipe, an upper base pipe, a primary extension pipe, a limiting ring and a secondary extension pipe which are coaxially arranged, wherein,
The lower base flange has a left side portion connectable to an upstream hard line of the sand discharge line, and a right side portion provided with an outer protruding portion protruding radially outward;
the lower base pipe has a left side portion fixedly connected with the outer protruding portion of the right side portion of the lower base flange through an anti-rotation member, and a right side portion on the inner circumferential surface of which a first thread is provided;
The upper base pipe comprises a left side part with a first inner diameter and a right side part with a second inner diameter, wherein the first inner diameter is larger than the second inner diameter, and a second thread which can be matched with the first thread of the right side part of the lower base pipe is arranged on the outer circumferential wall of the left side part of the upper base pipe;
The primary extension pipe comprises a left side part with a first outer diameter, a right side part with a second outer diameter, and a limit protruding part which is arranged on the inner circumferential surface of the right side part of the primary extension pipe and protrudes inwards along the radial direction, wherein the first outer diameter is larger than the first inner diameter, the second outer diameter is smaller than the first inner diameter, the left side part of the primary extension pipe is positioned between the left end surface of the left side part of the upper base pipe and the right end surface of the outer protruding part of the lower base flange, the right side part of the primary extension pipe is positioned between the left end surface of the right side part of the upper base pipe and the right end surface of the outer protruding part of the lower base flange, and the primary extension pipe can move leftwards or rightwards in a space formed by the outer protruding part of the lower base pipe and the upper base pipe;
the limiting ring is fixedly connected to the inner circumferential wall of the left side part of the primary extension pipe;
The secondary extension pipe comprises a left side part with a third outer diameter, a middle convex part with a fourth outer diameter and a right side part with a fifth outer diameter which can be connected with a downstream hard pipeline of the sand discharge pipeline, wherein the third outer diameter is smaller than the fourth outer diameter, the fifth outer diameter is smaller than the fourth outer diameter and equal to the second inner diameter, the left side part of the secondary extension pipe penetrates through the limiting ring and then is inserted into the right side part of the lower base flange, the middle convex part is arranged in the middle part of the secondary extension pipe in a protruding mode in the radial direction, and the middle convex part is arranged between the limiting protruding part of the primary extension pipe and the limiting ring so that the secondary extension pipe can move leftwards or rightwards between the limiting protruding part of the primary extension pipe and the limiting ring; the telescopic pipeline length adjusting mechanism further comprises a secondary extension pipe flange, wherein the secondary extension pipe flange can connect the right side part of the secondary extension pipe with a downstream hard pipeline of the sand discharge pipeline; the telescopic pipeline length adjusting mechanism further comprises a first sealing element, a second sealing element and a third sealing element, wherein the first sealing element is arranged between the outer circumferential wall of the left part of the primary extension pipe and the inner circumferential wall of the lower foundation pipe, the second sealing element is arranged between the outer circumferential wall of the left part of the secondary extension pipe and the inner circumferential wall of the lower foundation flange, and the third sealing element is arranged between the outer circumferential wall of the middle convex part of the secondary extension pipe and the inner circumferential wall of the right part of the primary extension pipe.
2. The telescopic pipeline length adjustment mechanism for a sand removal pipeline for a well according to claim 1, further comprising a fluid injection port capable of connecting a space enclosed by the first, second and third seals with the first hydraulic machine.
3. The telescoping line length adjustment mechanism for a sand removal line of a well of claim 1, wherein one or more of the first, second and third seals comprises a sealing ring and a sealing groove that cooperate with each other.
4. The telescoping line length adjustment mechanism for a sand removal line of a well of claim 1, further comprising a fourth seal disposed between the left side of the upper base pipe and the right side of the lower base pipe and a fifth seal disposed between the right side of the upper base pipe and the right side of the secondary extension pipe.
5. The telescopic pipeline length adjustment mechanism for a sand removal pipeline for a well according to claim 4, further comprising a liquid return port capable of connecting a space surrounded by the first, third, fourth and fifth sealing members with the second hydraulic machine.
6. The telescoping line length adjustment mechanism for a sand removal line of a well of claim 4, wherein the fourth seal and/or fifth seal comprises a sealing ring and a sealing groove that cooperate with each other.
7. The telescopic pipeline length adjusting mechanism for a sand removal pipeline for a well according to claim 1, wherein the limit ring is fixedly connected to the inner circumferential wall of the left side portion of the primary extension pipe by threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910809526.7A CN110424898B (en) | 2019-08-29 | 2019-08-29 | Telescopic pipeline length adjusting mechanism for drilling sand discharge pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910809526.7A CN110424898B (en) | 2019-08-29 | 2019-08-29 | Telescopic pipeline length adjusting mechanism for drilling sand discharge pipeline |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110424898A CN110424898A (en) | 2019-11-08 |
| CN110424898B true CN110424898B (en) | 2024-06-28 |
Family
ID=68418109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910809526.7A Active CN110424898B (en) | 2019-08-29 | 2019-08-29 | Telescopic pipeline length adjusting mechanism for drilling sand discharge pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110424898B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210659968U (en) * | 2019-08-29 | 2020-06-02 | 中国石油集团川庆钻探工程有限公司 | Telescopic pipeline length adjustment mechanism |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1868014A (en) * | 1929-03-20 | 1932-07-19 | John W Lucas | Expansion joint |
| US3572776A (en) * | 1969-02-27 | 1971-03-30 | Rockwell Mfg Co | Fluid flow apparatus |
| JPH08121434A (en) * | 1994-10-21 | 1996-05-14 | Toshiba Corp | Multistage extension mechanism and working device provided with multistage expansion mechanism |
| AU2014202985B2 (en) * | 2002-09-17 | 2016-10-13 | Weatherford Technology Holdings, Llc | Tubing Connection Arrangement |
| GB0221585D0 (en) * | 2002-09-17 | 2002-10-23 | Weatherford Lamb | Tubing connection arrangement |
| US7533720B2 (en) * | 2006-05-24 | 2009-05-19 | Mako Rentals, Inc. | Seal configuration for top drive swivel apparatus and method |
| US7798213B2 (en) * | 2006-12-14 | 2010-09-21 | Baker Hughes Incorporated | Radial spring latch apparatus and methods for making and using same |
| JP4765950B2 (en) * | 2007-02-07 | 2011-09-07 | 三菱マテリアル株式会社 | Drilling tools and drilling methods |
| DE102008012676A1 (en) * | 2008-03-05 | 2009-09-17 | Hunger Maschinen Gmbh | Rotary union |
| CN202349599U (en) * | 2011-11-30 | 2012-07-25 | 李宜明 | Pipeline adjusting device and skid-mounted producing test device |
| CN102705612A (en) * | 2012-05-30 | 2012-10-03 | 辽宁工程技术大学 | Telescopic joint device for deep well ice conveying pipelines |
| KR101318774B1 (en) * | 2013-02-28 | 2013-10-16 | 신진정공 주식회사 | Ball type expansion joint |
| KR101474112B1 (en) * | 2013-03-25 | 2014-12-22 | 은성전자 주식회사 | Telescopic extension pipe |
| CN205956608U (en) * | 2016-08-15 | 2017-02-15 | 中国石油集团渤海钻探工程有限公司 | Sand discharge pipe line is with flexible pipe |
| CN206257376U (en) * | 2016-12-08 | 2017-06-16 | 辽宁丹东新弘源农业科技发展有限公司 | Scalable hydraulic oil pipe |
| CN208457406U (en) * | 2017-09-13 | 2019-02-01 | 王乾仲 | A kind of automatic telescopic pipeline |
| US11105175B2 (en) * | 2017-10-23 | 2021-08-31 | Fmc Technologies, Inc. | Adjustable frac flow line |
| CN108006006B (en) * | 2017-12-14 | 2024-04-26 | 西安宇星石油机械新技术开发有限公司 | Hollow hydraulic cylinder for operation under pressure |
| CN107939307B (en) * | 2017-12-20 | 2023-11-03 | 中国石油天然气集团有限公司 | Long-telescoping-distance compensation short joint and compensation method |
| US10309564B1 (en) * | 2018-11-08 | 2019-06-04 | Oil States Energy Services, L.L.C. | Extendable spool |
-
2019
- 2019-08-29 CN CN201910809526.7A patent/CN110424898B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210659968U (en) * | 2019-08-29 | 2020-06-02 | 中国石油集团川庆钻探工程有限公司 | Telescopic pipeline length adjustment mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110424898A (en) | 2019-11-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11255470B2 (en) | Heavy duty wing nut | |
| JP2010236567A (en) | Hose joint | |
| EP0727026B1 (en) | Pipe connector | |
| CN210659968U (en) | Telescopic pipeline length adjustment mechanism | |
| CN110424898B (en) | Telescopic pipeline length adjusting mechanism for drilling sand discharge pipeline | |
| CN202302401U (en) | Changing joint | |
| CN110485964B (en) | Adjustable annular suction drainage assisting mechanism for sand drainage pipeline of drilling well | |
| CN205716171U (en) | A kind of reducingreduce tee | |
| CN209977517U (en) | Quick hose coupler | |
| CN110439479B (en) | Oil gas well drilling well head suction auxiliary discharge manifold system | |
| CN210714528U (en) | Telescopic wellhead combustible gas suction and sand discharge manifold system | |
| CN207514431U (en) | A kind of plastic conduit male connection | |
| CN110485955B (en) | Well drilling well head suction helps row union system | |
| CN207830792U (en) | Integral type hose connection device | |
| WO2016188407A1 (en) | Telescoping fluid pipe | |
| CN213900243U (en) | 360 rotatory coupling structure | |
| CN218914039U (en) | Low-pressure fluid conveying pipe connecting piece | |
| CN213745456U (en) | Elbow joint | |
| CN219413841U (en) | One-way throttle valve | |
| RU183289U1 (en) | HIGH PRESSURE TELESCOPIC PIPELINE | |
| CN107893886B (en) | Use method of rack type hose connector | |
| JP2005061469A (en) | Pipe joint | |
| CN216419922U (en) | Steam spraying and sweeping device | |
| CN216643444U (en) | Three-way connecting piece for fire-fighting pipeline | |
| CN209977477U (en) | Water pipe head of antiseep |
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 |