A kind of pilot production instrument of blowout prevention
Technical field
The utility model is related to pilot production technical field of tools more particularly to a kind of pilot production instruments of blowout prevention.
Background technology
Pilot production, refer to from formation testing obtain industry oil (gas) stream well in, select a part of well, carry out experimental oil recovery,
Pre-production phase is after oil-gas Layer obtains industrialness gas stream, carries out time longer observation oil-gas Layer Production development, grasps oil gas
Layer changing rule the tentative oil recovery gas production stage, pilot production from literal meaning can basic comprehension, mainly obtain oil/gas well
Reservoir Dynamic parameter in process of production, pilot production are using prospect pit or evaluation well, according to formation testing achievement data, are further recognized
Reservoir obtains Reservoir performance data, grasps oil-gas reservoir exploitation feature, determines rational stable productivity, in advance mating exploitation phase
Pass technology predicts production scale and economic benefit, for reserves and establishment Oil and gas field development scheme is submitted to provide foundation, wherein oil pipe
It is one of common tool of pilot production to become buckle joint, and oil pipe becomes buckle joint and connected for pipeline, but becomes buckle joint in oil pipe and use
In the process, it can not determine that oil pipe becomes buckle joint materials inside pressure, residual pressure often occur when installing and replacing causes raw material
The phenomenon that splash, easily generates production accident.
Utility model content
The purpose of this utility model is and the pilot production of a kind of blowout prevention proposed in order to solve shortcoming in the prior art
Instrument.
To achieve these goals, the utility model employs following technical solution:
A kind of pilot production instrument of blowout prevention, including the first oil pipe variable buckle junction block and the second oil pipe variable buckle junction block, described
Two oil pipe variable buckle junction blocks are located at the top of the first oil pipe variable buckle junction block, the one side inner wall of the first oil pipe variable buckle junction block
Top offers mounting groove, and is rotatably connected to same mounting pin, the mounting pin between the both sides inner wall top of mounting groove
Outer circumferential walls be socketed with torque spring, the outer circumferential walls both ends of the mounting pin are socketed with same pressing plate, the mounting groove
One end inner wall in the middle part of offer the runner straight slot of L-type structure, and the top of runner straight slot extends to the first oil pipe and becomes buckle joint
The top of pipe, the pressing plate is welded with sealing-plug close to the one side of runner straight slot, and one end of sealing-plug is located at runner straight slot
The inside of horizontal segment, a middle side part of the first oil pipe variable buckle junction block is welded with mounting blocks, and the one side of mounting blocks opens up
There is the tapped through hole being connected with mounting groove, the internal whorl of the tapped through hole is connected with mandril bolt, first oil pipe
Installation screw is offered at the top of the opposite side of variable buckle junction block.
Preferably, the first oil pipe variable buckle junction block and the second oil pipe variable buckle junction block are an integral molding structure, and the
The circumferential inner wall bottom of one oil pipe variable buckle junction block offers connection internal thread, the outer circumferential walls top of the second oil pipe variable buckle junction block
Portion offers connection external screw thread.
Preferably, the caliber of the first oil pipe variable buckle junction block is more than the caliber of the second oil pipe variable buckle junction block, and the
The junction of one oil pipe variable buckle junction block and the second oil pipe variable buckle junction block is ramp structure.
Preferably, one end of the torque spring is clamped with the first oil pipe variable buckle junction block, and the other end of torque spring
It is clamped with pressing plate.
Preferably, the internal whorl of the installation screw is connected with installing pipe, and the other end of installing pipe is threaded with
Pressure gauge.
Preferably, the size of the pressing plate be less than mounting groove inner space, and pressing plate be arcuate structure, the inner arc of pressing plate
Face and the circumferential inner wall of the first oil pipe variable buckle junction block match.
The beneficial effects of the utility model are:
1. the utility model proposes blowout prevention pilot production instrument, be provided with pressure gauge, pressure gauge is mounted on by installing pipe
On first oil pipe variable buckle junction block, it can determine that pilot production tool interior with the presence or absence of overbottom pressure, becomes snapping for oil pipe by pressure gauge
Head dismounting provides reference, the safety of safeguard work personnel.
2. the utility model proposes blowout prevention pilot production instrument, be provided with runner straight slot, pilot production instrument verified in pressure gauge
There are during overbottom pressure, pressing plate is lifted off mounting groove by mandril bolt for inside, and internal defective material from runner straight slot is slowly let out and is removed, can be with
Good blowout prevention effect is effectively played, often occurs participating in the phenomenon that pressure causes raw material splash when installation being avoided to replace, keep away
Exempt to generate production accident.
3. the utility model proposes blowout prevention pilot production instrument, be provided with sealing-plug, in the material process of circulation, material
Hydraulic pressure withstands on pressing plate inside mounting groove, can be very good to ensure the leakproofness of pilot production instrument by sealing-plug.
Description of the drawings
Fig. 1 be the utility model proposes a kind of blowout prevention pilot production instrument structure diagram;
Fig. 2 be the utility model proposes a kind of blowout prevention pilot production instrument overlooking the structure diagram.
In figure:1 first oil pipe variable buckle junction block, 2 mandril bolts, 3 mounting blocks, 4 tapped through holes, 5 sealing-plugs, 6 runners lead to
Slot, 7 mounting pins, 8 torque springs, 9 second oil pipe variable buckle junction blocks, 10 mounting grooves, 11 pressing plates, 12 installation screws, 13 installing pipes,
14 pressure gauges.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.
With reference to Fig. 1-2, a kind of pilot production instrument of blowout prevention becomes snapping including the first oil pipe variable buckle junction block 1 and the second oil pipe
Head tube 9, the second oil pipe variable buckle junction block 9 are located at the top of the first oil pipe variable buckle junction block 1, the first oil pipe variable buckle junction block 1
Mounting groove 10 is offered at the top of the inner wall of one side, and same mounting pin is rotatably connected between the both sides inner wall top of mounting groove 10
7, the outer circumferential walls of mounting pin 7 are socketed with torque spring 8, and the outer circumferential walls both ends of mounting pin 7 are socketed with same pressing plate 11, peace
The runner straight slot 6 of L-type structure is offered in the middle part of one end inner wall of tankage 10, and the top of runner straight slot 6 extends to the first oil pipe
The top of variable buckle junction block 1, pressing plate 11 is welded with sealing-plug 5 close to the one side of runner straight slot 6, and one end of sealing-plug 5 is located at
The inside of the horizontal segment of runner straight slot 6, a middle side part of the first oil pipe variable buckle junction block 1 are welded with mounting blocks 3, and mounting blocks 3
One side offer the tapped through hole 4 being connected with mounting groove 10, the internal whorl of tapped through hole 4 is connected with mandril bolt 2,
Installation screw 12 is offered at the top of the opposite side of one oil pipe variable buckle junction block 1.
In the utility model, the first oil pipe variable buckle junction block 1 and the second oil pipe variable buckle junction block 9 are an integral molding structure,
And first the circumferential inner wall bottom of oil pipe variable buckle junction block 1 offer connection internal thread, the circumference of the second oil pipe variable buckle junction block 9
Connection external screw thread is offered at the top of outer wall, the caliber of the first oil pipe variable buckle junction block 1 is more than the pipe of the second oil pipe variable buckle junction block 9
Footpath, and the junction of the first oil pipe variable buckle junction block 1 and the second oil pipe variable buckle junction block 9 be ramp structure, the one of torque spring 8
End is clamped with the first oil pipe variable buckle junction block 1, and the other end of torque spring 8 is clamped with pressing plate 11, the inside of installation screw 12
Installing pipe 13 is threaded with, and the other end of installing pipe 13 is threaded with pressure gauge 14, the size of pressing plate 11 is less than installation
The inner space of slot 10, and pressing plate 11 is arcuate structure, in the circumference of the intrados of pressing plate 11 and the first oil pipe variable buckle junction block 1
Wall matches.
Operation principle:Pressure gauge 14 is mounted on by installing pipe 13 on the first oil pipe variable buckle junction block 1, passes through pressure gauge 14
It can determine that pilot production tool interior with the presence or absence of overbottom pressure, provides reference for oil pipe variable buckle joint disassembly, examination is verified in pressure gauge 14
Tool interior is adopted there are during overbottom pressure, pressing plate 11 is lifted off mounting groove 10 by mandril bolt 2, and internal defective material is delayed from runner straight slot 6
Slow letting out removes, and can effectively play good blowout prevention effect, and often occurring participation pressure when installation being avoided to replace causes raw material
The phenomenon that splash, in the material process of circulation, the hydraulic pressure of material withstands on pressing plate 11 inside mounting groove 10, can by sealing-plug 5
To ensure the leakproofness of pilot production instrument well.
The above is only the preferable specific embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, in the technical scope that any one skilled in the art discloses in the utility model, according to this practicality
New technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.