CN219081566U

CN219081566U - Perforation efficiency detection device

Info

Publication number: CN219081566U
Application number: CN202320061182.8U
Authority: CN
Inventors: 张鹏程; 刘巨光; 任灵; 沈沛然; 武金儒; 邵迎彬
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-01-09
Filing date: 2023-01-09
Publication date: 2023-05-26
Anticipated expiration: 2033-01-09

Abstract

The utility model discloses a perforation efficiency detection device, and relates to the technical field of oil wells. The device comprises a barrel, wherein sealing heads are arranged at two ends of the barrel, a sensor interface is arranged on the sealing heads, an upper pressing ring is arranged on the sealing head at the top of the barrel, a connecting ring is arranged at the bottom of the upper pressing ring, a jacket is sleeved on the barrel, the top of the jacket is in threaded connection with the connecting ring, the side wall of the top of the jacket is contacted with the outer wall of the barrel, a lower pressing ring is arranged at the bottom of the side face of the jacket, and the bottom of the jacket is in sealed connection with the barrel through the lower pressing ring; the connecting ring is provided with a groove which is communicated with a cavity on the inner wall of the jacket; the jacket is provided with an oil inlet, an oil outlet, a deflation port and a discharge port, and the oil inlet, the oil outlet, the deflation port and the discharge port are all positioned on the side wall of the jacket. The utility model has the beneficial effects that: the flexibility of use of the container structure can be improved.

Description

Perforation efficiency detection device

Technical Field

The utility model mainly relates to the technical field of oil wells, in particular to a perforation efficiency detection device.

Background

The detection of perforation efficiency under high temperature and high pressure conditions and the research of perforation technology are important measures and means for improving recovery ratio and guaranteeing continuous and stable production of oil and gas wells. The traditional technology also stays at simple ground detection for the detection of the perforating gun, and the development of the perforating gun is guided by using the ground detection result, so that the development of perforation technology and theoretical research is restricted.

In the search of related topics, patent CN200610045435.3 discloses a perforation efficiency detection device under the condition of simulating a reservoir, which mainly comprises a high-temperature and high-pressure generation device, a high-temperature and high-pressure test container, a perforation process pressure balance compensation system, a measurement and control system and a safety monitoring system. The method can simulate reservoir conditions (high temperature and high pressure) to perform single shot and multiple shot perforation tests of steel targets, concrete targets, sandstone targets, limestone targets and the like, and can detect parameters of perforating gun such as penetration depth, aperture, compaction belt thickness, inter-bullet interference, gun deformation and the like. Can be used for evaluating the perforator and researching the basic test of the perforation technology. The method is characterized in that the perforation test of multiple perforating charges on steel targets, limestone targets, sandstone targets and concrete targets can be performed in a high-pressure container; having a pressure compensation system; transient pressure sensors are arranged on the side wall and the top end of the test container, so that the pressure change of the test container at the moment of perforation can be accurately recorded, and a sufficient basis is provided for development of the perforator.

The ultra-high pressure container structure in the device is used for testing the penetration depth of the perforating bullet to the sandstone target and the limestone target under different temperature and pressure conditions, developing the perforating bullet meeting the high temperature condition and achieving the optimal perforation penetration depth. However, this structure has the following problems when used:

1. in the structure, the structure of the jacket is fixed on the cylinder, heat conduction oil is injected into the cavity of the jacket for simulating temperature and pressure conditions, the heat conduction oil is directly connected with the outer wall of the cylinder, the environment of an oil layer well where the cylinder is located cannot be simulated, and the accuracy of test results is poor.

2. The oil inlet, the oil outlet, the air vent and the discharge port on the jacket are all protruded out of the outer wall of the jacket, so that the jacket is easy to collide and has poor use flexibility.

Disclosure of Invention

In order to solve the defects in the prior art, the utility model provides a perforation efficiency detection device which can improve the flexibility of the use of a container structure.

The utility model aims to achieve the aim, and the aim is achieved by the following technical scheme:

the perforation efficiency detection device comprises a barrel, wherein sealing heads are arranged at two ends of the barrel, a sensor interface is arranged on each sealing head, an upper pressing ring is arranged on each sealing head at the top of the barrel, a connecting ring is arranged at the bottom of each upper pressing ring, a jacket is sleeved on the barrel, the top of each jacket is in threaded connection with the connecting ring, the side wall of the top of each jacket is contacted with the outer wall of the barrel, a lower pressing ring is arranged at the bottom of the side face of each jacket, and the bottom of each jacket is in sealed connection with the barrel through the corresponding lower pressing ring;

the connecting ring is provided with a groove which is communicated with a cavity on the inner wall of the jacket;

the jacket is provided with an oil inlet, an oil outlet, a deflation port and a discharge port, and the oil inlet, the oil outlet, the deflation port and the discharge port are all positioned on the side wall of the jacket.

The lower pressing ring is connected with the bottom of the side face of the jacket in an interference fit mode.

The discharge port opens downward.

The diameters of the oil inlet and the oil outlet are reduced from outside to inside.

Compared with the prior art, the utility model has the beneficial effects that:

in this device, through being equipped with the go-between bottom the last clamping ring for press from both sides cover can with go-between threaded connection, be convenient for pull down the cover of pressing from both sides, material such as recess department centre gripping grit, concrete, limestone use in a flexible way, the geological environment that the simulation oil well was located of being convenient for has strengthened the accuracy of simulation test data. In addition, the oil inlet, the oil outlet, the air vent and the discharge port are all positioned on the side wall of the jacket, so that collision can be reduced, damage is not easy to occur, and the service life of the device is prolonged.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model.

The reference numbers shown in the drawings: 1. a cylinder; 2. a sealing head; 3. a sensor interface; 4. a pressing ring is arranged; 5. a connecting ring; 6. a jacket; 7. a lower pressing ring; 8. a groove; 9. an oil inlet; 10. an oil outlet; 11. a vent port; 12. and a discharge port.

Detailed Description

The utility model will be further described with reference to the accompanying drawings and specific embodiments. It is to be understood that these examples are illustrative of the present utility model and are not intended to limit the scope of the present utility model. Further, it will be understood that various changes or modifications may be made by those skilled in the art after reading the teachings of the utility model, and such equivalents are intended to fall within the scope of the utility model as defined herein.

The standard parts used in the application can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the drawing, the specific connection modes of the parts all adopt conventional means such as mature bolts, rivets, welding, pasting and the like in the prior art, and elements adopted by circuit connection are all conventional models in the prior art.

Meanwhile, in order to clearly express the connection relation and the working principle among the components, emphasis is placed on the fact that the drawing of the specification is tidied and drawn in a diagram mode, and one diagram can correspond to various materials and external actual structural shapes.

The perforation efficiency detection device comprises a barrel 1, wherein sealing heads 2 are arranged at two ends of the barrel 1, a sensor interface 3 is arranged on each sealing head 2, an upper pressing ring 4 is arranged on each sealing head 2 at the top of the barrel 1, a connecting ring 5 is arranged at the bottom of each upper pressing ring 4, a jacket 6 is sleeved on the barrel 1, the top of the jacket 6 is in threaded connection with the connecting ring 5, the side wall of the top of the jacket 6 is in contact with the outer wall of the barrel 1, a lower pressing ring 7 is arranged at the bottom of the side face of the jacket 6, and the bottom of the jacket 6 is in sealed connection with the barrel 1 through the lower pressing ring 7; the connecting ring 5 is provided with a groove 8, as shown in the attached drawing, the groove is used for clamping the geological material of the oil layer, and when the connecting ring is used, the sand stone, limestone and other materials can be glued together, and then the connecting ring is clamped and fixed through the groove, so that the materials are attached and fixed on the outer wall of the cylinder body, and the reality of simulation is enhanced. The groove 8 is communicated with a cavity on the inner wall of the jacket 6; the jacket 6 is provided with an oil inlet 9, an oil outlet 10, a vent 11 and a discharge port 12, and the oil inlet 9, the oil outlet 10, the vent 11 and the discharge port 12 are all positioned on the side wall of the jacket 6. In this device, through being equipped with the go-between bottom the last clamping ring for press from both sides cover can with go-between threaded connection, be convenient for pull down the cover of pressing from both sides, material such as recess department centre gripping grit, concrete, limestone use in a flexible way, the geological environment that the simulation oil well was located of being convenient for has strengthened the accuracy of simulation test data. In addition, the oil inlet, the oil outlet, the air vent and the discharge port are all positioned on the side wall of the jacket, so that collision can be reduced, damage is not easy to occur, and the service life of the device is prolonged.

The clamp structure can be adopted for the lower pressure ring, and as optimization, the lower pressure ring 7 is connected with the bottom of the side face of the jacket 6 in an interference fit manner, so that the lower pressure ring can be conveniently detached, and after the lower pressure ring is assembled and connected, the clamping is tight, and the tightness of the connection between the cylinder body and the jacket can be enhanced.

As an optimization, the opening of the discharge port 12 is downward, as shown in the structure of the drawing, and the collision and interference can be further reduced when the plugging members such as screws are arranged.

As optimization, the diameters of the oil inlet 9 and the oil outlet 10 are reduced from outside to inside, so that the connection ports of the oil inlet pipeline and the oil delivery pipeline are conveniently connected, the sealing effect is good during operation, and leakage is not easy to occur.

The using method comprises the following steps:

when the device is used, the lower pressing ring is firstly taken down, the jacket is detached, the geological material to be tested is clamped at the groove, after the clamping is completed, the jacket and the connecting ring are screwed tightly, the lower pressing ring is sleeved at the bottom of the jacket, the jacket is fastened, so that the jacket and the cylinder are in sealed connection, then the oil inlet and the oil outlet are respectively connected with corresponding pipelines, and heat conduction oil is injected into the space of the jacket for testing.

After the test is completed, the air discharge port and the discharge port are opened, gas and heat conduction oil generated in the jacket are emptied, then the lower compression ring is taken down, the jacket is detached, the geological materials are taken down, and after the different geological materials are replaced, the test steps are repeated, so that multiple tests under the different geological materials and the heat conduction oil with different temperatures are realized.

Claims

1. The utility model provides a perforation efficiency detection device, includes barrel (1), barrel (1) both ends all are equipped with sealing head (2), be equipped with sensor interface (3), its characterized in that on sealing head (2): an upper pressing ring (4) is arranged on a sealing head (2) at the top of the barrel (1), a connecting ring (5) is arranged at the bottom of the upper pressing ring (4), a jacket (6) is sleeved on the barrel (1), the top of the jacket (6) is in threaded connection with the connecting ring (5), the side wall at the top of the jacket (6) is in contact with the outer wall of the barrel (1), a lower pressing ring (7) is arranged at the bottom of the side face of the jacket (6), and the bottom of the jacket (6) is in sealing connection with the barrel (1) through the lower pressing ring (7);

a groove (8) is formed in the connecting ring (5), and the groove (8) is communicated with a cavity in the inner wall of the jacket (6);

the jacket (6) is provided with an oil inlet (9), an oil outlet (10), a deflation port (11) and a discharge port (12), and the oil inlet (9), the oil outlet (10), the deflation port (11) and the discharge port (12) are all positioned on the side wall of the jacket (6).

2. The perforation effectiveness detection apparatus of claim 1, wherein: the lower pressing ring (7) is connected with the bottom of the side face of the jacket (6) in an interference fit mode.

3. The perforation effectiveness detection apparatus of claim 1, wherein: the discharge opening (12) opens downward.

4. The perforation effectiveness detection apparatus of claim 1, wherein: the diameters of the oil inlet (9) and the oil outlet (10) are reduced from outside to inside.