Hidden liquid storage tank for oil pipe roller pry

Abstract

The utility model relates to a hidden liquid storage tank for an oil pipe roller pry, and belongs to the technical field of oil field coiled tubing operation. According to the technical scheme, a front cross beam (02-1) of a base (01) is of a closed cavity structure, namely a hidden type liquid storage tank body (02), an external gas source transmits external compressed gas into the hidden type liquid storage tank body (02) through a hydraulic gas path pipeline and a hydraulic gas path connector which are arranged on a partition plate (03), lubricating oil in the hidden type liquid storage tank body (02) is compressed by the gas, and the lubricating oil in the hidden type liquid storage tank body (02) is compressed by the hydraulic gas path pipeline and the hydraulic gas path connector. And the lubricating oil flows out of the hidden liquid storage tank and is supplied to a lubricator (04) through a lubricating pipeline. The oil pipe roller pry has the advantages that the front cross beam of the oil pipe roller pry is transformed, the closed space is formed in the cavity of the front cross beam, the function of a liquid storage tank is replaced, the space occupied by the liquid storage tank is saved, the oil pipe roller pry is not prone to damage, and meanwhile the purchase cost of the liquid storage tank is saved.

Description

Technical Field

[0001] The utility model relates to a hidden liquid storage tank for an oil pipe drum skid, belonging to the technical field of continuous oil pipe operation in oil fields. Background Art

[0002] The liquid storage tank of the currently commonly used oil tube drum skid is generally fixed on the front part of the oil tube drum base. Its function is to use the air to push the lubricating oil out of the liquid storage tank, and then penetrate the lubricating oil into the lubricating sponge of the lubricating device through the lubricating oil pipe. The lubricating sponge is evenly applied to the continuous oil tube to play a role of rust prevention and lubrication.

[0003] The liquid storage tank is installed separately at the front of the drum base, occupying the front space of the tubing drum skid, increasing the overall length of the tubing drum skid. At the same time, the liquid storage tank is an exposed part. As for the front of the drum base, it is very easy to bump during transportation and operation, especially the pressure gauge and liquid level indicator on the liquid storage tank are easily damaged. At the same time, liquid storage tanks are generally produced by professional manufacturers, which will incur additional procurement costs. Under the increasingly fierce market competition, reducing the manufacturing cost of products through innovation is a very effective means to improve market competitiveness. Utility Model Content

[0004] The purpose of the utility model is to provide a hidden liquid storage tank for an oil pipe drum skid, in which the cross beam of the oil pipe drum base is improved to form a hidden liquid storage tank for holding lubricating oil, thereby avoiding the need to add another liquid storage tank, saving costs while avoiding exposure of the liquid storage tank, and avoiding bumps during transportation and operation, thereby solving the above-mentioned problems existing in the background technology.

[0005] The technical solution of the utility model is:

[0006] A hidden liquid storage tank for an oil pipe drum skid is arranged on the base of the oil pipe drum skid. The front crossbeam of the base is a closed cavity structure, namely the hidden liquid storage tank body. An external air source transmits external compressed gas into the hidden liquid storage tank body through a hydraulic air pipeline and a hydraulic air pipeline joint arranged on a partition. The lubricating oil in the hidden liquid storage tank body is compressed by the gas, flows out of the hidden liquid storage tank body, and supplies lubricating oil to a lubricator through a lubrication pipeline.

[0007] Furthermore, the front cross beam is a rectangular steel pipe, and welded steel plates are embedded at both ends of the rectangular steel pipe to seal the inner cavity of the rectangular steel pipe to form a hidden liquid storage tank body.

[0008] Furthermore, the hidden liquid storage tank body is provided with an air inlet, an oil outlet, a refueling port and an oil unloading port, the air inlet is used to connect the hydraulic air circuit joint and the hydraulic air circuit pipeline; the oil outlet is connected to the lubrication pipeline to provide lubricating oil for the lubricator; the refueling port is used to add lubricating oil; and the oil unloading port is used to unload oil.

[0009] Furthermore, the hidden liquid storage tank body is provided with two liquid level gauge connectors, the connecting line of the two liquid level gauge connectors is perpendicular to the upper and lower planes of the front cross beam, the liquid level gauge comprises a transparent rubber hose, two right-angle connectors and two nuts, one end of the two right-angle connectors are respectively threadedly installed on the two liquid level gauge connectors, the other end of the two right-angle connectors has an external thread and a tapered head, the tapered heads of the two right-angle connectors are opposite, and the center lines are in a straight line, and the two ends of the transparent rubber hose are respectively put on the corresponding tapered heads and tightened with nuts.

[0010] Furthermore, the hidden liquid storage tank body is provided with a gauge connection port and a safety valve port, the gauge connection port is used to install a liquid storage tank pressure gauge, and the safety valve port is used to install a liquid storage tank safety valve.

[0011] The positive effects of the utility model are as follows: the front crossbeam of the oil pipe drum skid is modified to form a closed space in the cavity of the front crossbeam, which replaces the function of the liquid storage tank, thus saving the space occupied by the liquid storage tank, not being easily damaged, and saving the purchase cost of the liquid storage tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a three-dimensional schematic diagram of the oil pipe drum skid of the utility model;

[0013] Figure 2 It is a three-dimensional schematic diagram of the hidden liquid storage tank of the utility model;

[0014] Figure 3 It is a cross-sectional schematic diagram of the hidden liquid storage tank of the utility model;

[0015] Figure 4 This is a cross-sectional schematic diagram of the air inlet of the utility model;

[0016] Figure 5 This is a schematic cross-sectional view of the meter connection port of the utility model;

[0017] Figure 6 This is a cross-sectional schematic diagram of the safety valve port of the utility model;

[0018] Figure 7 This is a cross-sectional schematic diagram of the oil outlet of the utility model;

[0019] Figure 8 This is a cross-sectional schematic diagram of the fuel filler port of the utility model;

[0020] Fig. 9 This is a cross-sectional schematic diagram of the liquid level gauge connector of the utility model;

[0021] Fig.10 This is a schematic diagram of the oil unloading port of the utility model;

[0022] Fig.11 This is a schematic diagram of the structure of the liquid level meter of the utility model;

[0023] Fig.12 This is a schematic diagram of the connection between the right-angle joint and the transparent hose of the utility model;

[0024] Markings in the figure: 00-oil pipe roller skid, 01-base, 02-hidden liquid storage tank, 03-partition, 04-lubricator, 02-1-front crossbeam, 02-2-steel plate, 02-3-air inlet, 02-4-gauge connection port, 02-5-safety valve port, 02-6-oil outlet, 02-7-fuel filling port, 02-8-liquid level gauge connector, 02-9-oil unloading port, 02-8-1-right angle connector, 02-8-2-transparent rubber hose, 02-8-3-nut. DETAILED DESCRIPTION

[0025] The above and other technical features and advantages of the present invention are clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments.

[0026] See attached Figure 1 The utility model provides a hidden liquid storage tank for an oil tube drum skid, and the front cross beam 02-1 of the oil tube drum skid 00 is modified to be a closed cavity structure, namely, a hidden liquid storage tank body 02. An external air source transmits external compressed gas into the hidden liquid storage tank body 02 through a hydraulic air pipeline and a hydraulic air pipeline joint arranged on a partition 03. The lubricating oil in the hidden liquid storage tank body 02 is compressed by the gas, flows out of the hidden liquid storage tank body 02, and supplies lubricating oil to the lubricator 04 through a lubrication pipeline.

[0027] The tubing drum skid 00 is a device for winding and releasing the continuous tubing. The base 01 provides support for each part on the tubing drum skid 00. The partition 03 is fixed to the base 01 with bolts and is used to install the hydraulic gas pipeline and fix the hydraulic gas joint. The hidden liquid storage tank body 02 is a device for storing lubricating oil and delivering the lubricating oil to the lubricator 04. The lubricator 04 adopts a side-flip buckle design and is equipped with a lubricating sponge. When the continuous tubing passes through the lubricator 04, the continuous tubing is lubricated.

[0028] See attached Figure 2 and 3 The front cross beam 02-1 is made of a rectangular steel pipe, and the two ends of the rectangular steel pipe are sealed by welding with embedded steel plates 02-2. The closed inner cavity formed in the rectangular steel pipe is used to store the lubricating oil of the liquid storage tank, forming a hidden liquid storage tank body 02.

[0029] The hidden liquid storage tank body 02 is provided with an air inlet 02-3, a meter connection port 02-4, a safety valve port 02-5, an oil outlet 02-6, a refueling port 02-7, a liquid level gauge connector 02-8 and an oil unloading port 02-9.

[0030] Preferably, a round hole is processed on the upper side of the hidden liquid storage tank body 02 near the partition 03, and an internal threaded joint is welded to serve as the air inlet 02-3 of the liquid storage tank for connecting the air source pipeline.

[0031] Preferably, a circular hole is processed on the upper plane of the hidden liquid storage tank body 02, near the air inlet 02-3, and an internal threaded joint is welded to serve as the liquid storage tank gauge port 02-4 for installing the liquid storage tank pressure gauge.

[0032] Preferably, a round hole is machined on the upper plane of the hidden liquid storage tank body 02, near the connection port 02-4, and an internal threaded joint is welded to serve as a liquid storage tank safety valve port 02-5 for installing the liquid storage tank safety valve.

[0033] Preferably, a circular hole is processed on the upper plane of the hidden liquid storage tank body 02, at a position away from the partition 03, and an oil outlet 02-6 is welded. The oil outlet 02-6 is a long straight round tube, which passes through the processed circular hole, with the lower end close to the inner wall of the beam. The lower end of the oil outlet 02-6 is processed with an oblique mouth, and the upper end of the oil outlet 02-6 is processed with an internal threaded hole. The oil outlet 02-6 is connected to the lubrication pipeline to provide lubricating oil for the lubricator 04.

[0034] Preferably, a circular hole is processed at the arc where the upper plane of the hidden liquid storage tank body 02 intersects with the front inner surface, and the angle between the axis of the circular hole and the upper plane is 45°. An external threaded joint is welded at the position of the circular hole and closed with an internal threaded cap. The external threaded joint is used as the refueling port 02-7. The lowest point of the external threaded joint is higher than the upper plane of the front cross beam. After unscrewing the internal threaded cap, lubricating oil can be added to the inner cavity of the front cross beam. After the lubricating oil is filled, the internal threaded cap is screwed on.

[0035] Preferably, two round holes are processed near the upper and lower planes of the inner wall at the front of the hidden liquid storage tank body 02, near the refueling port 02-7, and internal thread joints are welded. The two joints are used as liquid level gauge joints 02-8. The connecting line of the two liquid level gauge joints 02-8 is perpendicular to the upper and lower planes of the front crossbeam and parallel to the front plane. A right-angle joint 02-8 with an external thread at one end and an external thread and a tapered head at the other end is installed on the two liquid level gauge joints 02-8. 1. One end of the two level gauge connectors 02-8 is threadedly connected to the two level gauge connectors 02-8 respectively. The tapered heads at the other ends of the two right-angle connectors 02-8-1 are opposite to each other and in a straight line. The two ends of the transparent rubber hose 02-8-2 are respectively put on the corresponding tapered heads and tightened with nuts 02-8-3. The gap between the nut 02-8-3 and the tapered head becomes smaller as it goes down. After tightening, the rubber hose can be sealed, and the liquid level of the liquid storage tank can be observed through the transparent rubber hose 02-8-2.

[0036] Preferably, two circular holes are processed on the back side of the hidden liquid storage tank body 02 near the bottom, and internal threaded joints are welded and plugged with thread plugs. The two interfaces are used as oil drain ports 02-9.

Claims

1. A hidden liquid storage tank for a tubing drum skid, arranged on a base (01) of the tubing drum skid (00), characterized in that: The front crossbeam (02-1) of the base (01) is a closed cavity structure, namely, the hidden liquid storage tank body (02). An external gas source transmits external compressed gas into the hidden liquid storage tank body (02) through a hydraulic gas pipeline and a hydraulic gas pipeline joint arranged on the partition (03). The lubricating oil in the hidden liquid storage tank body (02) is compressed by the gas, flows out of the hidden liquid storage tank body (02), and supplies lubricating oil to the lubricator (04) through the lubrication pipeline.

2. The hidden liquid storage tank for the tubing drum skid according to claim 1 is characterized by: The front cross beam (02-1) is a rectangular steel tube, and welded steel plates (02-2) are embedded in both ends of the rectangular steel tube to seal the inner cavity of the square steel tube, thereby forming a hidden liquid storage tank body (02).

3. A hidden liquid storage tank for a tubing drum skid according to claim 1 or 2, characterized in that: The hidden liquid storage tank body (02) is provided with an air inlet (02-3), an oil outlet (02-6), a refueling port (02-7) and an oil unloading port (02-9); the air inlet (02-3) is used to connect a hydraulic air circuit joint and a hydraulic air circuit pipeline; the oil outlet (02-6) is connected to a lubrication pipeline to provide lubricating oil for the lubricator (04); the refueling port (02-7) is used to add lubricating oil; and the oil unloading port (02-9) is used to unload oil.

4. The hidden liquid storage tank for the tubing drum skid according to claim 3 is characterized by: The hidden liquid storage tank body (02) is provided with two liquid level gauge connectors (02-8), the connecting line of the two liquid level gauge connectors (02-8) is perpendicular to the upper and lower planes of the front crossbeam, the liquid level gauge comprises a transparent rubber hose (02-8-2), two right-angle connectors (02-8-1) and two nuts (02-8-3), one end of the two right-angle connectors (02-8-1) is respectively threadedly mounted on the two liquid level gauge connectors (02-8), the other end of the two right-angle connectors (02-8-1) has an external thread and a tapered head, the tapered heads of the two right-angle connectors (02-8-1) are opposite, and the center lines are on a straight line, and the two ends of the transparent rubber hose (02-8-2) are respectively sleeved on the corresponding tapered heads and are tightened with nuts (02-8-3).

5. The hidden liquid storage tank for the oil pipe drum skid according to claim 3 is characterized by: The concealed liquid storage tank body (02) is provided with a gauge connection port (02-4) and a safety valve port (02-5); the gauge connection port (02-4) is used to install a liquid storage tank pressure gauge, and the safety valve port (02-5) is used to install a liquid storage tank safety valve.

Images