CN202039812U

CN202039812U - Oil pipe blowout preventive antitheft device

Info

Publication number: CN202039812U
Application number: CN201120170166XU
Authority: CN
Inventors: 段福海; 吕庆东; 杨清洁; 段宝昌; 杜秀连; 轩萍萍; 张磊
Original assignee: DAQING HENGYUAN LITONG PETROLEUM MACHINERY EQUIPMENT MANUFACTURING Co Ltd
Current assignee: DAQING HENGYUAN LITONG PETROLEUM MACHINERY EQUIPMENT MANUFACTURING Co Ltd
Priority date: 2011-05-25
Filing date: 2011-05-25
Publication date: 2011-11-16
Anticipated expiration: 2021-05-25

Abstract

The utility model discloses an oil pipe blowout preventive antitheft device, which belongs to blowout preventive equipment and comprises an oil pipe wellhead joint, a sealing framework, an annular floater and a floater limit ring. The annular sealing framework is fixedly sleeved at shoulders of the oil pipe wellhead joint, the annular floater is sleeved on the oil pipe wellhead joint below the sealing framework in a clearance fit manner, and the floater limit ring is fixed onto the oil pipe wellhead joint below the annular floater. The floater consists of a floater ring and a sealing baffle, the floater ring is sleeved on the periphery of an inner framework in a stacked close fit manner, and the sealing baffle is embedded on the upper end surface of the floater ring. The oil pipe blowout preventive antitheft device is reasonable in structural design, thoroughly solves the problem of leakage of oil and gas due to the sealing framework, the annular floater and the floater limit ring, protects state property against loss, and also realizes safer oil well production.

Description

Oil pipe blowout prevention alarm

Technical field

The utility model belongs to blowout hookup, particularly relates to a kind of oil pipe blowout prevention alarm.

Background technology

Near the main line of oil field stolen molecule wildness often drives a well and drains the oil at present, brings about great losses for the resource of country.The producing well that has is because the frequency that the bad or sleeve pipe liquid level of pump efficiency rises and impels the lawless person to drain the oil more, they often take to stop evening well, on carry polished rod or cut off method such as polished rod and improve pressure in the sleeve pipe, reach the purpose of draining the oil more, draining the oil fast.In order to solve the problem of stolen, though at present at the aboveground blowout prevention anti-theft device of also having installed, the reasons in structure owing to being mounted in the well head makes anti-theft effect poor, and thief still can be stolen the crude oil in the sleeve pipe, and complex structure, the cost height.

Summary of the invention

The utility model is intended to overcome the deficiencies in the prior art, and a kind of oil pipe blowout prevention alarm is provided.

Oil pipe blowout prevention alarm of the present utility model is to be made of oil pipe well head joint, sealing skeleton, annular float and float spacing ring.At the shoulder place of oil pipe well head joint fixedly suit the ring packing skeleton, on the oil pipe well head joint below the sealing skeleton matched in clearance suit annular float, on the oil pipe well head joint below the annular float, fixed the float spacing ring.

As further improvement of the utility model, at " O " V-shaped ring that has been provided with on the periphery anchor ring of more than one balance pipe, its ring body setting-in on the ring body of sealing skeleton.

As further improvement of the utility model, described annular float be by the periphery tight fit intussusception of inner frame the float ring and thereon end face be embedded with sealing plate and constitute.

As further improvement of the utility model, the planar annular of described sealing plate is the sealing surface that hides the end opening of the balance pipe of arranging in ring week that seals skeleton.

Oil pipe blowout prevention alarm of the present utility model; reasonable in design owing to adopted the structure of sealing skeleton, annular float and float spacing ring, has thoroughly solved the problem that oil, gas leak; protected national wealth not suffer a loss, and made oil well production safer.

Description of drawings

Fig. 1 is the structural representation of the utility model oil pipe blowout prevention alarm.

The specific embodiment

Oil pipe blowout prevention alarm of the present utility model is to be made of oil pipe well head joint 1, sealing skeleton 2, annular float 3 and float spacing ring 4.At the shoulder place of oil pipe well head joint 1 fixedly suit ring packing skeleton 2, on the oil pipe well head joint 1 below the sealing skeleton 2 the matched in clearance suit annular float 3, on the oil pipe well head joint 1 below the annular float 3, fixed float spacing ring 4.

At " O " V-shaped ring 6 that has been provided with on the periphery anchor ring of more than one balance pipe 5, its ring body setting-in on the ring body of sealing skeleton 2.

Described annular float 3 be by the periphery tight fit intussusception of inner frame 7 the float ring and thereon end face be embedded with sealing plate 8 and constitute, the planar annular of sealing plate 8 is the sealing surfaces of end opening that hide the balance pipe 5 of arranging in ring week of sealing skeleton 2.

Claims

1., oil pipe blowout prevention alarm, be to constitute by oil pipe well head joint (1), sealing skeleton (2), annular float (3) and float spacing ring (4), it is characterized in that at the shoulder place of oil pipe well head joint (1) fixedly suit ring packing skeleton (2), oil pipe well head joint (1) in sealing skeleton (2) below has been gone up the matched in clearance suit annular float (3), has fixed float spacing ring (4) on the oil pipe well head joint (1) of annular float (3) below.

2. oil pipe blowout prevention alarm as claimed in claim 1, the ring body that it is characterized in that sealing skeleton (2) have been provided with on the periphery anchor ring of more than one balance pipe (5), its ring body setting-in " O " V-shaped ring (6).

3. oil pipe blowout prevention alarm as claimed in claim 1 or 2, it is characterized in that annular float (3) be by the periphery tight fit intussusception of inner frame (7) the float ring and thereon end face be embedded with sealing plate (8) and constitute.

4. oil pipe blowout prevention alarm as claimed in claim 1 or 2, the planar annular that it is characterized in that sealing plate (8) are the sealing surfaces that hides the end opening of the balance pipe (5) of arranging in ring week that seals skeleton (2).