CN211201824U - Anti-clamping type negative pressure bailing barrel with inner fishing head - Google Patents
Anti-clamping type negative pressure bailing barrel with inner fishing head Download PDFInfo
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- CN211201824U CN211201824U CN201921908565.4U CN201921908565U CN211201824U CN 211201824 U CN211201824 U CN 211201824U CN 201921908565 U CN201921908565 U CN 201921908565U CN 211201824 U CN211201824 U CN 211201824U
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- negative pressure
- cylinder
- bailing
- piston cylinder
- fishing head
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Abstract
The utility model discloses an interior first anti-sticking formula negative pressure bailing of fishing for, including an interior first anti-sticking formula negative pressure bailing of fishing for, include: a negative pressure bailing cylinder; one end of the piston cylinder is detachably connected with the negative pressure bailing cylinder; one end of the sampling connector is nested at the other end of the piston cylinder and can slide along the inner wall of the piston cylinder; interior fishing head, its cover is established the sampling connection head outside, and can follow the outer wall of sampling connection head slides, the utility model discloses have the sampling connection head of cylindricality, sampling connection head one end slides and sets up in the piston cylinder, and the other end supports in balanced valve, and fishing head stretches into balanced valve, can effectively avoid fishing head to meet the card, and sampling connection head can insert interior fishing head the inside, can remain including fishing the grit of fishing head the inside.
Description
Technical Field
The utility model relates to a desilting field of bailing in the pit especially relates to an interior fishing head anticreep formula negative pressure bailing section of thick bamboo.
Background
With the continuous development of social economy and the continuous improvement of the production level of enterprises, the whole society has larger and larger demand on resources; petroleum is taken as an important social resource, is stored in a deep underground place, so a large amount of mechanical equipment is needed for mining, and meanwhile, because the petroleum is stored underground and contains a large amount of sand, in order to improve the quality and the purity of the petroleum, the sand in the petroleum needs to be filtered while the petroleum is mined; in the process of oil exploitation, an oil well is often required to be arranged, for sand in a well bore, a common treatment method is to perform sand washing operation on a lower punching pipe, and the sand is brought out of the ground by using upward-returning liquid, but sometimes the sand-carrying liquid filling the well bore may cause great damage to a bottom layer or even press the oil well to death, or circulation cannot be established at all because of serious leakage, so that the construction of sand bailing, plug drilling, deepening and the like in the well which cannot establish circulation is often very difficult.
The blanking plug that uses among the oil gas well production string salvages the mode and divide into interior salvage and salvage outside and salvage these two kinds, and the blanking plug works for a long time in the pit, when the blanking plug is fished out to needs, often runs into the blanking plug fishing head and is buried by the sand production stratum play, and fishing tool can't normally grab the fishing head, appears unable fishing plug, consequently needs the sand fishing to expose the fishing head, just can normally salvage the blanking plug.
SUMMERY OF THE UTILITY MODEL
The utility model relates to a develop an interior fishing head anti-sticking formula negative pressure bailing section of thick bamboo, have the sampling connection head of cylindricality, sampling connection head one end slides and sets up in the piston cylinder, and in the other end stretched into interior fishing head, can effectively avoid fishing head to meet the card.
The utility model provides a technical scheme does:
an anti-clamping type negative pressure bailing barrel of an inner fishing head comprises:
a negative pressure bailing cylinder;
one end of the piston cylinder is detachably connected with the negative pressure bailing cylinder;
one end of the sampling connector is nested at the other end of the piston cylinder and can slide along the inner wall of the piston cylinder;
the inner fishing head is sleeved outside the sampling connector and can slide along the outer wall of the sampling connector.
Preferably, the method further comprises the following steps: and the two ends of the lock cylinder are provided with external threads and can be respectively in threaded connection with the negative pressure bailing cylinder and the piston cylinder.
Preferably, the method further comprises the following steps:
the control pin is arranged in the middle of the piston cylinder and can limit the sliding position of the sampling connector in the piston cylinder;
and the closing ball is movably arranged in the piston cylinder and can block one end of the sampling connector.
Preferably, the method further comprises the following steps:
the blanking plug is detachably sleeved at the other end of the sampling connector and can plug the inner fishing head;
a buffer resilient element disposed between the inner fishing head and the blanking plug.
Preferably, a return spring is provided between the captive ball and the sampling connector.
Preferably, the negative pressure bailing canister comprises:
a negative pressure cylinder;
the negative pressure valve is arranged at the top of the negative pressure cylinder;
and one end of the connecting inner cylinder is detachably arranged in the negative pressure cylinder, and the other end of the connecting inner cylinder is detachably connected with one end of the piston cylinder.
Preferably, the side wall of the negative pressure cylinder is provided with a drain hole.
Preferably, the inner diameter of the negative pressure cylinder is 1.5-2.2 inches.
Preferably, a fixed head is arranged in the blanking plug and can be sleeved at the other end of the sampling connector.
The beneficial effects of the utility model
The utility model relates to a develop an interior fishing head anti-sticking formula negative pressure bailing section of thick bamboo, the sampling connection head that has the cylindricality, sampling connection head one end slides and sets up in a piston section of thick bamboo, in the fishing head including the other end supports, fishing head in stretching into can effectively avoiding fishing head to meet the card, and sampling connection head top is provided with the circle and closes the ball, adopt the globular to enclose, sealed effect is better, sampling connection head can insert interior fishing head the inside, can fish out the grit of fishing head the inside including remaining.
Drawings
Fig. 1 is a schematic structural view of the anti-clamping type negative pressure bailing cylinder with the inner fishing head.
Fig. 2 is the assembly structure schematic diagram of a negative pressure bailing cylinder and a sampling connector.
Fig. 3 is a schematic connection diagram of the piston cylinder and the sampling connector of the present invention.
Fig. 4 is a schematic structural diagram of the sampling connector of the present invention.
Fig. 5 is a schematic structural view of the inner fishing head of the present invention.
Fig. 6 is a schematic structural view of the negative pressure bailing cylinder of the present invention.
Fig. 7 is a schematic structural view of the negative pressure valve of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
As shown in fig. 1 and 2, the utility model provides an anti-sticking formula negative pressure bailing cylinder of interior fishing head, include: a negative pressure bailing cylinder 110, a piston cylinder 120, a sampling connector 130 and an inner fishing head 140.
One end of the piston cylinder 120 is detachably connected with the negative pressure bailing cylinder 110, and one end of the sampling connector 130 is nested at the other end of the piston cylinder 120 and can slide along the inner wall of the piston cylinder 120; the inner fishing head 140 is sleeved outside the sampling connector 130 and can slide along the outer wall of the sampling connector 130. The utility model discloses a bailing section of thick bamboo of selecting for use is a negative pressure formula bailing section of thick bamboo, and a negative pressure bailing section of thick bamboo 130 is connected for piston cylinder 120 one end, and sampling connector 130 is connected to the piston cylinder 120 other end, and sampling connector 130 can insert interior fishing head 140.
As shown in fig. 3, the piston cylinder 120 includes therein: the sampling device comprises a piston cylinder wall 121, a control pin 123 and a trap ball 122, wherein the control pin 123 is detachably arranged in the middle of the piston cylinder wall 121 and can limit the sliding position of a sampling connector 130 in the piston cylinder; the sampling connector 130 can slide along the inner wall of the piston cylinder 120, and the closing ball 122 is movably arranged in the piston cylinder wall 121 and can slide along the piston cylinder wall under the action of pressure to block one end of the sampling connector 130.
During the use, it is fixed with a negative pressure bailing section of thick bamboo 110, the bailing operation position of oil well is put into to sample connector 130 together with interior fishing head 140, jar to a negative pressure bailing section of thick bamboo 110, circle closing ball 122 in the piston barrel 120 removes owing to the pressure differential effect, thereby inhale sample connector 130 with the sand sample around the sample connector 130, and enter into negative pressure bailing section of thick bamboo 110 the inside along the piston barrel, after the operation is accomplished, separate sample connector 130 and interior fishing head 140, can take out the grit in the interior fishing head 140, can avoid the interior fishing head 140 of sand jam.
As shown in fig. 4, the sampling connector 130 includes a cylindrical sliding end 131 and a cylindrical free end 132, the outer diameter of the cylindrical sliding end 131 is larger than that of the cylindrical free end 132, and the bottom of the piston cylinder 120 has a locking flange 124 capable of limiting the sampling connector 130 from sliding out of the piston cylinder 120.
As shown in fig. 1 and 2, the device further comprises a lock core 150, wherein both ends of the lock core 150 are provided with threads for connecting the piston cylinder 120 and the negative pressure bailing cylinder 110, and the piston cylinder 120 can be detached from the negative pressure bailing cylinder 110 by rotating the lock core 150.
As shown in fig. 5, the inner fishing head 140 is sleeved outside the cylindrical free end 132 of the sampling connector 130, and can slide along the outer wall of the sampling connector 130, the blanking plug 142 can be detachably sleeved on the other end of the sampling connector 130, and can plug the inner fishing head 130, and a fixing head is arranged in the blanking plug 142, and can be sleeved on the other end of the sampling connector 130, and the negative pressure bailing cylinder 110 can downwards shock and cut off the piston control pin 123, and move under the action of pressure difference, and the buffer elastic element 160 is arranged between the inner fishing head 141 and the blanking plug 142, and is sleeved on the sampling connector 130, and can buffer the axial force between the inner fishing head 141 and the blanking plug 142.
As shown in fig. 6, the negative pressure bailing canister 110 includes: a negative pressure cylinder 111, a negative pressure valve 112 and a connecting inner cylinder 113; a negative pressure valve 112 provided at the top of the negative pressure cylinder 111; one end of the connecting inner cylinder 113 is detachably arranged in the negative pressure cylinder 111, and the other end is detachably connected with one end of the piston cylinder 120. Preferably, the side wall of the negative pressure cylinder 111 is provided with a drain hole, water entering the negative pressure cylinder 111 can be drained from the drain hole, the sand bailing amount of the negative pressure cylinder 111 is increased, and the sand bailing efficiency is improved. Preferably, the inner diameter of the negative pressure cylinder 111 is 1.5-2.2 inches, and the negative pressure cylinder is suitable for bailing sand in a small oil well.
As shown in fig. 7, the negative pressure valve 112 includes a negative pressure connection end 112a having bolt connection portions at both ends, a throttling member 112b and a blocking hex pin 112c, wherein one of the bolt connection portions is used for fixing the position of the negative pressure bailing cylinder 110, the other bolt connection portion can be screwed on the piston cylinder 120, the blocking hex pin 112c can slide along the cylinder wall, and the throttling member 112b can block the gas flow rate.
During the use, take off blanking plug 142, it is fixed with a negative pressure bailing barrel 110, the bailing operation position of oil well is put into to sample connector 130 together with interior fishing head 140, jar negative pressure bailing barrel 110, circle closing ball 122 in the piston section of thick bamboo 120 removes owing to the differential pressure effect, thereby inhale sample connector 130 with the sand appearance around the sample connector 130, and enter into negative pressure bailing barrel 110 the inside along the piston section of thick bamboo, after the operation is accomplished, with sample connector 130 and interior fishing head 140 separation, can take out the grit in the interior fishing head 140, can avoid the interior fishing head 140 of grit jam.
In use, the negative pressure bailing canister 110 is connected to the bottommost end of a company's work wire tool string to reach the well site. The steel wire operation is sent to a blanking plug of the underground fishing head. The steel wire is down hit to cut the working locking pin of the bailing cylinder, and the piston of the bailing cylinder starts to work. A bailing section of thick bamboo to ground is retrieved in steel wire operation, unpacks apart the inspection and whether drag for the sand sample, and the operation is accomplished, can repeat above operation according to specific demand. After the operation is finished, the bailing cylinder needs to be disassembled for cleaning and maintenance. And replacing a new sealing ring, reinstalling the locking pin on the locking mechanism, and smearing oil on the surface for storage.
The utility model relates to a develop an interior fishing head anti-sticking formula negative pressure bailing section of thick bamboo, have the sampling connection head of cylindricality, sampling connection head one end slides and sets up in the piston cylinder, and the other end supports in the balanced valve, and fishing head stretches into the balanced valve, can effectively avoid fishing head to meet the card. The utility model discloses a sampling connection head top is provided with the circle and closes the ball, adopts the globular to enclose, and sealed effect is better, the utility model provides a sampling connection head can insert interior fishing head the inside, can fish out the grit of remaining interior fishing head the inside.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.
Claims (9)
1. The utility model provides an interior fishing head anticreep formula negative pressure bailing section of thick bamboo which characterized in that includes:
a negative pressure bailing cylinder;
one end of the piston cylinder is detachably connected with the negative pressure bailing cylinder;
one end of the sampling connector is nested at the other end of the piston cylinder and can slide along the inner wall of the piston cylinder;
the inner fishing head is sleeved outside the sampling connector and can slide along the outer wall of the sampling connector.
2. The anti-seizing negative pressure bailing canister of claim 1 further comprising: and the two ends of the lock cylinder are provided with external threads and can be respectively in threaded connection with the negative pressure bailing cylinder and the piston cylinder.
3. The anti-seizing negative pressure bailing canister of claim 1 further comprising:
the control pin is arranged in the middle of the piston cylinder and can limit the sliding position of the sampling connector in the piston cylinder;
and the closing ball is movably arranged in the piston cylinder and can block one end of the sampling connector.
4. The anti-seizing negative pressure bailing canister of claim 1 further comprising:
the blanking plug is detachably sleeved at the other end of the sampling connector and can plug the inner fishing head;
a buffer resilient element disposed between the inner fishing head and the blanking plug.
5. The anti-seizing negative pressure bailing cylinder of claim 3, wherein a return spring is provided between said encirclement ball and said sampling connector.
6. The anti-seizing negative pressure bailing canister of claim 5, wherein the negative pressure bailing canister comprises:
a negative pressure cylinder;
the negative pressure valve is arranged at the top of the negative pressure cylinder;
and one end of the connecting inner cylinder is detachably arranged in the negative pressure cylinder, and the other end of the connecting inner cylinder is detachably connected with one end of the piston cylinder.
7. The anti-seizing negative pressure bailing cylinder of claim 6, wherein the side wall of the negative pressure cylinder has a drain hole.
8. The anti-seizing negative pressure bailing cylinder of claim 6, wherein the inside diameter of the negative pressure cylinder is 1.5-2.2 inches.
9. The anti-seizing negative pressure bailing cylinder of claim 4, wherein the stopper has a fixing head therein, which can be fitted over the other end of the sampling connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921908565.4U CN211201824U (en) | 2019-11-07 | 2019-11-07 | Anti-clamping type negative pressure bailing barrel with inner fishing head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921908565.4U CN211201824U (en) | 2019-11-07 | 2019-11-07 | Anti-clamping type negative pressure bailing barrel with inner fishing head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211201824U true CN211201824U (en) | 2020-08-07 |
Family
ID=71879681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921908565.4U Active CN211201824U (en) | 2019-11-07 | 2019-11-07 | Anti-clamping type negative pressure bailing barrel with inner fishing head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211201824U (en) |
-
2019
- 2019-11-07 CN CN201921908565.4U patent/CN211201824U/en active Active
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