CN210122900U - Adapting short joint connected with logging-while-drilling instrument - Google Patents
Adapting short joint connected with logging-while-drilling instrument Download PDFInfo
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- CN210122900U CN210122900U CN201921345811.XU CN201921345811U CN210122900U CN 210122900 U CN210122900 U CN 210122900U CN 201921345811 U CN201921345811 U CN 201921345811U CN 210122900 U CN210122900 U CN 210122900U
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- joint
- nipple
- overflowing
- logging
- hole
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Abstract
The utility model discloses a switching nipple joint for adapting logging-while-drilling instruments, which comprises a nipple joint body, wherein two ends of the switching nipple joint are respectively used for connecting a corresponding middle adaptive joint and a side wall single-core contact pin; the pipe nipple body be used for installing one side of adapter joint placed in the middle and be provided with a plurality of first overflowing holes, the pipe nipple body one side that is used for lateral wall single core contact pin be provided with the second and cross the discharge orifice, it is a plurality of the flow area of first overflowing hole with the area of second overflowing hole is the same. The through-flow duct is optimized, the areas of the two sides of the through-flow duct are large, the areas of the first through-flow ducts are equal, the transition holes are formed in the middle of the through-flow duct, the eddy current effect is obviously reduced, the service life of the adapting short section can be effectively prolonged, the underground service life of a logging-while-drilling instrument is prolonged, and the non-drilling time is shortened.
Description
Technical Field
The utility model relates to an oil gas exploitation technique, concretely relates to join in marriage switching nipple joint that connects along with boring logging instrument.
Background
At present, along with the entrance of large-scale development of unconventional oil and gas resources such as shale gas and the like, a large number of logging-while-drilling instruments at home and abroad are applied, and the logging-while-drilling instruments with different principles, different structures and different functions are available at various logging-while-drilling technical service providers.
In the prior art, a logging-while-drilling instrument comprises a plurality of functional pups, electric energy and communication signals are generally transmitted among the functional pups through wired connection, instrument manufacturers consider the structure and the function of the instrument, and the known connection mode usually adopts a drill collar end face conducting ring, a side wall punching pin, a middle connector and the like.
In order to improve the utilization rate of the logging-while-drilling instrument and better serve a drilling site, a logging-while-drilling technical service provider generally maximizes the utilization rate of the instrument and the quality of the logging-while-drilling service by matching products of different instrument manufacturers. The switching nipple of the logging-while-drilling instrument with reasonable structure and reliable use is the simplest and most effective technical means for realizing the matching of the instrument.
The difficulty of the prior art lies in that when the switching of a connecting line is carried out between the connection in the middle and the connection of a side wall of a functional nipple, the problem of slurry flow channel change is brought by the change of the position of a flow channel, the change easily forms vortex, the failure modes of the existing adapter nipple are mostly caused by erosion caused by the vortex, and the adapter nipple capable of effectively solving the problem is not found at present.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a join in marriage and connect switching nipple joint of following boring logging instrument to solve the erosion problem that brings because the mud vortex.
In order to achieve the above object, the present invention provides the following technical solutions:
a switching nipple joint connected with a logging-while-drilling instrument comprises a nipple joint body, wherein two ends of the switching nipple joint are respectively used for connecting a corresponding centered adaptive joint and a side wall single-core contact pin;
the pipe nipple body be used for the installation in the middle one side of adaptation joint be provided with a plurality of first overflowing holes, the pipe nipple body one side that is used for lateral wall single core contact pin be provided with the second and cross the discharge orifice, it is a plurality of the area sum of overflowing of first overflowing hole with the area of second overflowing hole is the same.
In the adapter nipple, a transition hole is arranged between the first overflowing hole and the second overflowing hole, and the overflowing area of the transition hole is larger than that of the second overflowing hole.
In the adapter nipple, the number of the first overflowing holes is 7.
Foretell switching nipple joint still includes copper ring, inner seal circle, sealing joint, external seal circle, sealing joint sealing washer, the both ends of nipple joint body are provided with respectively copper ring and sealing joint, the overcoat has two on the copper ring the external seal circle, the copper ring inboard is provided with one the internal seal circle, its characterized in that, copper ring and nipple joint body interference fit, the sealing joint overcoat has the sealing joint sealing washer.
In the transfer nipple, the two outer sealing rings are sleeved outside the copper ring, one inner sealing ring is arranged on the inner side of the copper ring, and one sealing joint sealing ring is sleeved outside the sealing joint.
Foretell switching nipple joint, sealing joint terminal surface lateral outside is opened has a plurality of dismantlement grooves of circumference equipartition, the dismantlement groove is used for laying extracting tool.
In the adapter nipple, 6 dismounting grooves are circumferentially and uniformly distributed on the outer side of the end face of the sealing joint.
The utility model relates to a switching nipple joint of logging while drilling instrument, sealing joint adopt the beryllium bronze material to make, open 6 dismounting grooves that have the circumference equipartition outside the sealing joint terminal surface, be convenient for lay extracting tool, realize that sealing joint screws up the installation or dismantles.
The utility model discloses during the use, join in marriage the connection structure who connects along with boring logging instrument as required, corresponding adaptation joint placed in the middle and lateral wall single core contact pin are installed respectively to switching nipple joint both sides, and the adaptation joint placed in the middle passes through the screw thread and this body coupling of nipple joint is fixed, and lateral wall single core contact pin links together through the wire with the adaptation joint placed in the middle between, realizes joining in marriage of not isostructure along with boring logging instrument and connects the use.
Compared with the prior art, the utility model discloses the beneficial effect who reaches as follows:
(1) the through-flow duct is optimized, the areas of the two sides of the through-flow duct are large, the areas of the first through-flow ducts are equal, the transition holes are formed in the middle of the through-flow duct, the eddy current effect is obviously reduced, the service life of the adapting short section can be effectively prolonged, the underground service life of a logging-while-drilling instrument is prolonged, and the non-drilling time is shortened.
(2) The switching nipple joint has the advantages of simple structure, few component parts, low manufacturing cost and convenience in installation, and can meet the requirement of large-scale development of unconventional energy sources such as shale gas at present.
(3) The design features of the switching nipple structure can be expanded to be applied to wired downhole instruments which need to be connected in a lateral wall and middle switching mode.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
Fig. 1 is one of schematic structural diagrams of a switching nipple provided in an embodiment of the present invention;
fig. 2 is a second schematic structural diagram of an adapter nipple according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a copper ring according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a sealing joint according to an embodiment of the present invention.
Description of reference numerals:
1. a copper ring; 2. an inner seal ring; 3. a nipple body; 4. sealing the joint; 5. an outer sealing ring; 6. a sealing joint sealing ring; 1-1, a detaching part; 3-1, a first overflowing hole; 3-2, threading holes; 3-3, transition holes; 3-1, a second overflowing hole; 4-1, disassembling the groove.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
As shown in fig. 1-4, the embodiment of the utility model provides a switching nipple joint that connects logging while drilling instrument, including the nipple joint body, the both ends of switching nipple joint are used for connecting corresponding adaptation joint placed in the middle and lateral wall single core contact pin respectively; the pipe nipple body be used for installing one side of adapter joint placed in the middle and be provided with a plurality of first overflowing holes, the pipe nipple body one side that is used for lateral wall single core contact pin be provided with the second and cross the discharge orifice, it is a plurality of the flow area of first overflowing hole with the area of second overflowing hole is the same. And a transition hole is arranged between the first overflowing hole and the second overflowing hole, and the overflowing area of the transition hole is larger than that of the second overflowing hole.
Preferably, the first overflowing hole is provided with one.
Preferably, still include copper ring, inner seal circle, sealing joint, external seal circle, sealing joint sealing washer, the both ends of nipple joint body are provided with respectively copper ring and sealing joint, the overcoat has two on the copper ring the external seal circle, the copper ring inboard is provided with one the inner seal circle, copper ring and nipple joint body interference fit, the sealing joint overcoat has the sealing joint sealing washer.
More preferably, the copper ring is externally sleeved with two outer sealing rings, the inner side of the copper ring is provided with one inner sealing ring, and the sealing joint is externally sleeved with one sealing joint sealing ring.
More preferably, a plurality of disassembly grooves of circumference equipartition are opened to the sealing joint terminal surface off-side, the disassembly groove is used for laying extracting tool.
More preferably, 6 detaching grooves which are uniformly distributed in the circumferential direction are formed on the outer side of the end face of the sealing joint.
The utility model relates to a switching nipple joint of logging while drilling instrument, sealing joint adopt the beryllium bronze material to make, open 6 dismounting grooves that have the circumference equipartition outside the sealing joint terminal surface, be convenient for lay extracting tool, realize that sealing joint screws up the installation or dismantles.
The utility model discloses during the use, join in marriage the connection structure who connects along with boring logging instrument as required, corresponding adaptation joint placed in the middle and lateral wall single core contact pin are installed respectively to switching nipple joint both sides, and the adaptation joint placed in the middle passes through the screw thread and this body coupling of nipple joint is fixed, and lateral wall single core contact pin links together through the wire with the adaptation joint placed in the middle between, realizes joining in marriage of not isostructure along with boring logging instrument and connects the use.
Compared with the prior art, the utility model discloses the beneficial effect who reaches as follows:
(1) the through-flow duct is optimized, the areas of the two sides of the through-flow duct are large, the areas of the first through-flow ducts are equal, the transition holes are formed in the middle of the through-flow duct, the eddy current effect is obviously reduced, the service life of the adapting short section can be effectively prolonged, the underground service life of a logging-while-drilling instrument is prolonged, and the non-drilling time is shortened.
(2) The switching nipple joint has the advantages of simple structure, few component parts, low manufacturing cost and convenience in installation, and can meet the requirement of large-scale development of unconventional energy sources such as shale gas at present.
(3) The design features of the switching nipple structure can be expanded to be applied to wired downhole instruments which need to be connected in a lateral wall and middle switching mode.
The utility model relates to a switching nipple joint of logging-while-drilling instrument, mainly by copper ring 1, inner seal ring 2, nipple joint body 3, sealing joint 4, outer seal ring 5, sealing joint sealing washer 6 constitution, copper ring 1 and sealing joint 4 are installed respectively to nipple joint body 3 both ends, two outer seal rings 5 are installed to the outside on copper ring 1, and an inner seal ring 2 is installed to the inboard, and copper ring 1 and nipple joint body 3 are connected fixedly through little interference fit, sealing joint sealing washer 6 is installed to the outside of sealing joint 4, and is connected fixedly with nipple joint body 3 through the screw thread, connects the connection structure of logging-while-drilling instrument as required, installs corresponding adapter joint placed in the middle and lateral wall single core contact pin respectively to switching nipple joint both sides, and adapter joint placed in the middle is connected fixedly with nipple joint body 3 through the screw thread, and the lateral wall single core contact pin links together through the wire between adapter joint placed in the middle, the logging-while-drilling instruments with different structures are matched and used.
As shown in figure 2, the utility model relates to a switching nipple joint of logging while drilling instrument, nipple joint body 3 installation adaptation joint one side placed in the middle adopt the circumference to distribute the hole design, symmetrical arrangement 7 first overflowing hole 3-1, the size of first overflowing hole 3-1 is decided by the size of the second overflowing hole 3-4 of installation lateral wall single core contact pin one side, 7 first overflowing hole 3-1's area of overflowing keeps unanimous with the area of second overflowing hole 3-4 promptly, be provided with the bigger transition hole 3-3 of overflowing area between second overflowing hole, the first overflowing hole, be convenient for reduce because the vortex effect that the overflowing mud arouses because the overflowing area changes. And 3-2 is a threading hole for connecting wires at two sides so as to ensure that a circuit in the matching instrument forms a loop.
As shown in figure 3, the utility model relates to a switching nipple joint of logging while drilling instrument, copper ring 1 adopt the beryllium bronze material to make, 1 both sides terminal surface of copper ring is opened has dismantlement portion 1-1, the dismantlement of copper ring 1 of being convenient for is changed.
As shown in figure 4, the utility model relates to a switching nipple joint of logging while drilling instrument, sealing joint 4 adopt the beryllium bronze material to make by oneself, open 6 dismantlement grooves 4-1 that have the circumference equipartition in the 4 terminal surface outsides of sealing joint, be convenient for lay extracting tool, realize that sealing joint 4 screws up the installation or dismantles.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (6)
1. A switching short section matched with a logging-while-drilling instrument comprises a short section body (3) and is characterized in that,
two ends of the switching short section are respectively used for connecting the corresponding middle adaptive joint and the side wall single-core contact pin;
one side that nipple joint body (3) are used for installing the adaptation joint placed in the middle is provided with a plurality of first overflowing holes (3-1), one side that nipple joint body (3) are used for the single core contact pin of lateral wall be provided with second overflowing hole (3-4), it is a plurality of the sum of the area of overflowing of first overflowing hole (3-1) with the area of second overflowing hole (3-4) is the same.
2. The transition sub according to claim 1, characterized in that a transition hole (3-3) is arranged between the first overflowing hole (3-1) and the second overflowing hole (3-4), and the flow area of the transition hole (3-3) is larger than that of the second overflowing hole (3-4).
3. The adapter sub of claim 1,
the number of the first overflowing holes (3-1) is 7.
4. The switchover nipple of claim 1, further comprising a copper ring (1), an inner seal ring (2), a seal joint (4), an outer seal ring (5), and a seal joint seal ring (6), wherein the copper ring (1) and the seal joint (4) are respectively disposed at two ends of the nipple body (3), two outer seal rings (5) are sleeved on the copper ring (1), one inner seal ring (2) is disposed on the inner side of the copper ring (1), the copper ring (1) and the nipple body (3) are in interference fit, and the seal joint seal ring (6) is sleeved on the outer side of the seal joint (4).
5. The adapter sub according to claim 4, characterized in that a plurality of circumferentially distributed dismounting grooves (4-1) are arranged outside the end face of the sealing joint (4), and the dismounting grooves (4-1) are used for accommodating dismounting tools.
6. An adapter sub according to claim 5, characterized in that 6 circumferentially distributed dismounting grooves (4-1) are arranged outside the end face of the sealing joint (4).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920257157 | 2019-02-28 | ||
| CN2019202571570 | 2019-02-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210122900U true CN210122900U (en) | 2020-03-03 |
Family
ID=69634643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921345811.XU Expired - Fee Related CN210122900U (en) | 2019-02-28 | 2019-08-19 | Adapting short joint connected with logging-while-drilling instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210122900U (en) |
-
2019
- 2019-08-19 CN CN201921345811.XU patent/CN210122900U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200303 Termination date: 20210819 |
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| CF01 | Termination of patent right due to non-payment of annual fee |