CN212774262U - Oil recovery well head sampler that prevents frostbite - Google Patents

Abstract

The utility model relates to the technical field of oil extraction equipment, in particular to an oil extraction wellhead anti-freezing sampler, which comprises a heat preservation shell, wherein a heat preservation structure is arranged in the heat preservation shell, the heat preservation structure comprises an inner drainage cavity and an outer heat preservation cavity, the outer heat preservation cavity is arranged in the heat preservation shell, the outer heat preservation cavity is communicated with a water inlet and a water outlet, the inner drainage cavity is arranged in the outer heat preservation cavity, one end of the inner drainage cavity penetrates through the outer heat preservation cavity and is communicated with the outside of the heat preservation shell, a rotating shaft is rotatably arranged at the top of the shell and penetrates through the inner drainage cavity and the outer heat preservation cavity, double-screw bolts are vertically arranged at two sides of the lower end surface of the heat preservation shell, a hemispherical flow guide piece is slidably arranged on the double-screw bolts, the top of the flow guide piece is communicated with the inner drainage cavity, hot water is injected into, prevent the oil sample that gets to condense in the inner drainage chamber to make things convenient for the detection.

Description

Oil recovery well head sampler that prevents frostbite

Technical Field

The utility model relates to an oil recovery equipment technical field especially relates to an oil recovery well head sampler that prevents frostbite.

Background

Oil field oil recovery production well will regularly get oil appearance chemical examination analysis, generally take transversely to connect out the short circuit of intercommunication on the defeated oil pipe line of well head, preceding reconnection sample valve, feed liquor pipe and liquid outlet because of current ordinary sample valve are long partially, and expose in the air, only just can facilitate the use when ambient temperature is higher, feed liquor pipe and liquid outlet freeze easily when temperature is low, cause sample liquid to flow not smooth, can not get out the appearance even, influence the admission of data and get, especially cold this kind of influence in northern area is more obvious, and remain more freezing fluid in feed liquor pipe and liquid outlet, when taking a sample, cause the sample difficulty easily, influence the work efficiency of sample and the accuracy of sample.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that oil extraction pipe liquid outlet fluid freezes among the prior art, and the frostproofing sampler of an oil recovery well head that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an oil recovery well head sampler that prevents frostbite, includes the heat preservation casing, be equipped with insulation construction in the heat preservation casing, insulation construction includes interior drainage chamber and outer heat preservation chamber, outer heat preservation chamber sets up inside the heat preservation casing, the intercommunication has water inlet and delivery port on the outer heat preservation chamber, interior drainage chamber sets up outside heat preservation intracavity portion, the one end in interior drainage chamber is run through outer heat preservation chamber and with the external intercommunication of heat preservation casing, the rotatable pivot of installing in casing top, the pivot runs through interior drainage chamber and outer heat preservation chamber, the vertical double-screw bolt of installing in terminal surface both sides under the heat preservation casing, slidable installs hemispherical water conservancy diversion spare on the double-screw bolt, the water conservancy diversion spare top with interior drainage chamber intercommunication, water conservancy diversion spare bottom is through seal structure and oil production pipe intercommunication.

Preferably, the sealing structure comprises a spring, a transverse plate and a fastening nut, the middle of the transverse plate is provided with a mounting hole, the two sides of the transverse plate are provided with through holes, the through holes are sleeved on the stud, the fastening nut is screwed on the bottom end of the stud, the spring is sleeved on the transverse plate and the stud between the flow guide pieces, and the mounting hole is sleeved on the oil production pipe.

Preferably, the spring is always in compression.

Preferably, the bottom end of the rotating shaft is provided with a forced feeding screw, the rotating shaft is sleeved with a compression spring, the outer diameter length of the compression spring is larger than the caliber of the opening of the flow guide piece, and the outer diameter length of the compression spring is smaller than the inner diameter length of the oil production pipe.

The utility model provides an oil recovery well head sampler that prevents frostbite, beneficial effect lies in: this frostproofing sampler of oil recovery well head has played the effect of carrying out the mediation to the export of oil production pipe through the design of pivot, holds the hand wheel rotation pivot through holding for the fluid of condensing in the forced feed screw of the bottom of pivot will oil production pipe export clears away, simultaneously, pours into hot water into through the outside heat preservation intracavity of water inlet and heats and keeps warm to the internal drainage chamber, prevents that the fluid sample of acquireing from condensing including the drainage chamber, in order to make things convenient for the detection. The heat preservation effect has been played through setting up the lagging casing in the outside heat preservation chamber outside, has reduced when outside temperature is lower, thermal scattering and disappearing in interior drainage intracavity, in addition, still can install electric heating components and parts additional at the lagging casing, and the power supply through the battery and produce the heat, ensure the temperature in the lagging casing to prevent that the oil of interior drainage intracavity from freezing.

Drawings

Fig. 1 is the utility model provides a structural schematic diagram of oil recovery well head sampler that prevents frostbite.

Fig. 2 is the utility model provides a local enlarger of frostproofing sampler of oil recovery well head.

Fig. 3 is the utility model provides a A department enlarger of frostproofing sampler of oil recovery well head.

In the figure: the heat preservation device comprises a heat preservation shell 1, an internal drainage cavity 2, an external heat preservation cavity 3, a water inlet 301, a water outlet 302, a flow guide part 4, a rotating shaft 5, a sealing gasket 6, a compression spring 7, a hand wheel 8, a spring 9, a transverse plate 10, a through hole 11, a stud 12, a fastening nut 13, a mounting hole 14, an oil production pipe 15 and a feeding screw 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, an oil extraction wellhead anti-freezing sampler comprises a heat preservation shell 1, a heat preservation structure is arranged in the heat preservation shell 1, the heat preservation structure comprises an inner diversion cavity 2 and an outer heat preservation cavity 3, the outer heat preservation cavity 3 is arranged in the heat preservation shell 1, the outer heat preservation cavity 3 is communicated with a water inlet 301 and a water outlet 302, the inner diversion cavity 2 is arranged in the outer heat preservation cavity 3, one end of the inner diversion cavity 2 penetrates through the outer heat preservation cavity 3 and is communicated with the outside of the heat preservation shell 1, a rotating shaft 5 is rotatably arranged at the top of the shell 1, the rotating shaft 5 penetrates through the inner diversion cavity 2 and the outer heat preservation cavity 3 and is sealed through a sealing gasket 6, studs 12 are vertically arranged on two sides of the lower end face of the heat preservation shell 1, a hemispherical diversion piece 4 is slidably arranged on the studs 12, the top of the diversion piece 4 is communicated with the inner, The device comprises a transverse plate 10 and a fastening nut 13, wherein a mounting hole 14 is formed in the middle of the transverse plate 10, through holes 11 are formed in two sides of the transverse plate 10, the through holes 11 are sleeved on a stud 12, the fastening nut 13 is in threaded connection with the bottom end of the stud 12, a spring 9 is sleeved on the stud 12 between the transverse plate 10 and a flow guide piece 4, the mounting hole 14 is sleeved on a production pipe 15, the spring 9 is always in a compression state, a forced feeding screw 15 is installed at the bottom end of a rotating shaft 5, a compression spring 7 is sleeved on the rotating shaft 5, the outer diameter length of the compression spring 7 is larger than the opening diameter of the flow guide piece 4, and the. This sampler that prevents frostbite of oil recovery well head, design through pivot 5, the effect of dredging oil production pipe 15's export has been played, hold hand wheel 8 rotation pivot 5 through holding, make the fluid of condensing in the compulsory feed screw 16 with oil production pipe 15 export of the bottom of pivot 5 clear away, and simultaneously, inject hot water through water inlet 301 in the outside heat preservation chamber 3 and heat and keep warm to internal drainage chamber 2, prevent that the fluid sample of acquireing from condensing at internal drainage chamber 2, in order to make things convenient for the detection.

This oil recovery well head sampler that prevents frostbite has played heat retaining effect through setting up heat-preserving housing 1 outside heat preservation chamber 3, has reduced when outside temperature is lower, thermal scattering and disappearing in internal drainage chamber 2, in addition, still can install electric heating components and parts at heat-preserving housing 1 additional, and the power supply through the battery and produce the heat, ensures the temperature in the heat preservation casing 1 to prevent that the oil in internal drainage chamber 2 from freezing.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (4)

1. The anti-freezing sampler of the oil extraction well head is characterized by comprising a heat insulation shell (1), wherein a heat insulation structure is arranged in the heat insulation shell (1), the heat insulation structure comprises an inner drainage cavity (2) and an outer heat insulation cavity (3), the outer heat insulation cavity (3) is arranged inside the heat insulation shell (1), the outer heat insulation cavity (3) is communicated with a water inlet (301) and a water outlet (302), the inner drainage cavity (2) is arranged inside the outer heat insulation cavity (3), one end of the inner drainage cavity (2) penetrates through the outer heat insulation cavity (3) and is communicated with the outside of the heat insulation shell (1), a rotating shaft (5) is rotatably arranged at the top of the shell (1), the rotating shaft (5) penetrates through the inner drainage cavity (2) and the outer heat insulation cavity (3), studs (12) are vertically arranged on two sides of the end face of the heat insulation shell (1), the stud (12) is slidably provided with a hemispherical flow guide part (4), the top of the flow guide part (4) is communicated with the inner diversion cavity (2), and the bottom of the flow guide part (4) is communicated with the oil production pipe (15) through a sealing structure.

2. The anti-freezing sampler of the oil production wellhead as claimed in claim 1, wherein the sealing structure comprises a spring (9), a transverse plate (10) and a fastening nut (13), a mounting hole (14) is formed in the middle of the transverse plate (10), through holes (11) are formed in two sides of the transverse plate (10), the through holes (11) are sleeved on the studs (12), the fastening nut (13) is screwed at the bottom end of the studs (12), the spring (9) is sleeved on the studs (12) between the transverse plate (10) and the flow guide member (4), and the mounting hole (14) is sleeved on the oil production pipe (15).

3. A production wellhead antifreeze sampler according to claim 2, characterized in that said spring (9) is always under compression.

4. The anti-freezing sampler of the oil production wellhead according to claim 1, characterized in that a forced feeding screw (16) is installed at the bottom end of the rotating shaft (5), a compression spring (7) is sleeved on the rotating shaft (5), the outer diameter length of the compression spring (7) is larger than the caliber of the opening of the flow guide member (4), and the outer diameter length of the compression spring (7) is smaller than the inner diameter length of the oil production pipe (15).

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