CN211258584U

CN211258584U - Oil field oil-water well acidification fluid loss filter

Info

Publication number: CN211258584U
Application number: CN201922155741.8U
Authority: CN
Inventors: 李占辉; 汪艳
Original assignee: Xi'an Yifengda Oil Gas Technology Service Co ltd
Current assignee: Xi'an Yifengda Oil Gas Technology Service Co ltd
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-08-14
Anticipated expiration: 2029-12-04

Abstract

The utility model discloses an oil field oil-water well acidizing fluid loss filter, include: the device comprises a shell, an acid storage tank and a filtrate reducer drilling fluid storage tank are fixedly arranged in the shell, a motor is arranged between the acid storage tank and the filtrate reducer drilling fluid storage tank and drives a fan wheel disc and a stirring device, an acid adding pipe is arranged at the top end of the acid storage tank, the bottom of the acid storage tank is connected with an acid-resistant injection pump through a first-order acid injection pipe, the other end of the acid-resistant injection pump is communicated with a second-order acid injection pipe, a filtrate reducer drilling fluid adding pipe is arranged at the top end of the filtrate reducer drilling fluid storage tank, the bottom of the filtrate reducer drilling fluid storage tank is communicated with the outside through the drilling fluid injection pipe, a fan blade and the stirring device are driven to rotate through the motor, the flow rate of the acid liquid is increased, the filtrate reducer drilling fluid is uniform, the acid injection pressure is increased, the filtrate reducer drilling fluid is uniform, the acid injection and the filtrate reducer drilling fluid are efficiently managed through, the purpose of improving the working efficiency.

Description

Oil field oil-water well acidification fluid loss filter

Technical Field

The utility model relates to an oil field oil-water well exploration and development field, concretely relates to oil field oil-water well acidizing fluid loss element.

Background

The acidification is to inject acid liquor into the bottom layer through an oil-water well, dissolve the plugs (such as clay, inorganic mineral substances and the like) and rock minerals of a reservoir layer generated in the operation processes of drilling, well completion, well workover and the like, and recover and improve the permeability of the reservoir layer, so that the measures of increasing the yield and the injection of an oil-gas field are achieved. The horizontal tank made of glass fiber reinforced plastic materials is small in single tank volume, low in strength, large in occupied area, difficult to connect with an external manifold, easy to cause acid liquor leakage and environment pollution, careful when the connecting manifold is used, cranes and flat trucks are needed for loading, unloading and transportation, high in use cost and inconvenient to manage, and due to the fact that the horizontal tank is in a special geographical environment, pressure is insufficient during acid injection, so that the acid injection is not in place, particles exist in drilling fluid, and the uniformity of the drilling fluid is affected.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an oil field oil-water well acidizing fluid loss filter to reach and increase annotate sour pressure, even fluid loss additive drilling fluid, high-efficient management is annotated sour and is annotated fluid loss additive drilling fluid, improves work efficiency's purpose.

In order to achieve the above purpose, the technical scheme of the utility model is as follows: an oilfield oil and water well acidizing fluid loss element, the acidizing fluid loss element comprising: a housing, the casing internal fixation is provided with acid storage tank and filtrate reducer drilling fluid bin, acid storage tank and filtrate reducer drilling fluid bin set up side by side, be provided with the motor case between acid storage tank and the filtrate reducer drilling fluid bin, motor case fixed mounting is in casing inside bottom, fixed mounting has the motor in the motor case, the motor shaft of motor is connected with horizontal rotating shaft through the driving medium, the one end of horizontal rotating shaft is passed acid storage tank lateral wall and is extended to in the acid storage tank and fixedly connected with impeller dish, fixed mounting has a plurality of flabellums on the impeller dish, the other end of horizontal rotating shaft passes filtrate reducer drilling fluid bin lateral wall and extends to in the filtrate reducer drilling fluid bin and fixedly connected with agitating unit, acid storage tank top is provided with adds the acid pipe, it passes the casing top and extends to the casing outside to add the acid pipe mouth, store up acid tank bottom and have acidproof injection pump through first-order acid injection union coupling, acidproof injection pump fixed mounting is in the casing outside, be provided with acid flow control valve on the first-order acid injection pipe, acidproof injection pump's the other end and second order acid injection pipe UNICOM, fluid loss agent drilling fluid bin top is provided with fluid loss agent drilling fluid and adds the pipe, fluid loss agent drilling fluid adds the pipe orifice and passes the casing top and extend to the casing outside, fluid loss agent drilling fluid bin bottom is through drilling fluid injection pipe and outside UNICOM, be provided with fluid loss agent drilling fluid flow control valve on the drilling fluid injection pipe.

Preferably, a liquid level meter is arranged on the side wall of the acid storage tank and used for observing the height of the acid liquid in the acid storage tank, so that the capacity of the acid liquid in the acid storage tank can be conveniently controlled.

Preferably, the bottom of the shell is provided with wheels, so that the acidification fluid loss device can move conveniently.

Preferably, the transmission part is a gear, the gear comprises a horizontal gear and a vertical gear, the horizontal gear is detachably mounted on the motor shaft, the vertical gear is sleeved on the horizontal rotating shaft, and the horizontal gear is meshed with the vertical gear.

The utility model has the advantages of as follows:

(1) the utility model discloses a flabellum that the motor drove in the acid storage box rotates, increases the velocity of flow of acidizing fluid to increased the pressure that the acidizing fluid flows out, can deal with the sour injection of multiple topography, driven the agitating unit rotation in the fluid loss agent drilling fluid bin through the motor, made the fluid loss agent drilling fluid even, improved efficiency.

(2) The utility model discloses an acid flow control valve controls the acid liquor flow, through fluid loss additive drilling fluid flow control valve fluid loss additive drilling fluid flow, can carry out effectual management to acidizing fluid and fluid loss additive drilling fluid.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.

Fig. 1 is a schematic structural view of an acidification fluid loss reducer for an oil-water well in an oil field, which is disclosed by the embodiment of the utility model;

the corresponding part names indicated by the numbers and letters in the drawings:

1. a housing; 2. an acid storage tank; 3. a fluid loss additive drilling fluid storage tank; 4. a motor case; 101. a wheel; 201. adding an acid pipe; 202. a first-order acid injection pipe; 203. an acid-resistant infusion pump; 204. an acid flow control valve; 205. a second-order acid injection tube; 206. a liquid level meter; 301. a fluid loss additive drilling fluid inlet pipe; 302. a filtrate reducer drilling fluid flow control valve; 303. a drilling fluid injection pipe; 401. a motor; 402. a motor shaft; 403. a horizontal rotating shaft; 404. a fan wheel disc; 405. a fan blade; 406. and (4) a stirring device.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

The utility model provides an oil field oil and water well acidizing fluid loss reducer, its theory of operation is that the flabellum that stores up in the acid storage box is driven through the motor rotates, increase the velocity of flow of acidizing fluid, thereby the pressure of acidizing fluid outflow has been increased, it rotates to drive the agitating unit in the fluid loss reducer drilling fluid bin through the motor, it is even to make the fluid loss reducer drilling fluid, control sour flow and fluid loss reducer drilling fluid flow through flow control valve, in order to reach and increase and annotate sour pressure, even fluid loss reducer drilling fluid, acid and fluid loss reducer drilling fluid are annotated in high-efficient management, the purpose of improvement work efficiency.

The present invention will be described in further detail with reference to examples and embodiments.

As shown in fig. 1, an acidification fluid loss device for an oil-water well in an oil field comprises: casing 1, casing 1 internal fixation is provided with acid storage tank 2 and fluid loss additive drilling fluid bin 3, acid storage tank 2 and fluid loss additive drilling fluid bin 3 set up side by side, be provided with motor case 4 between acid storage tank 2 and the fluid loss additive drilling fluid bin 3, motor 401 case 4 fixed mounting is in 1 inboard bottom of casing, fixed mounting has motor 401 in motor case 4, motor shaft 402 of motor 401 is connected with horizontal rotating shaft 403 (bevel gear is installed to motor 401's tip, and bevel gear is also installed at horizontal rotating shaft's middle part, and the bevel gear of motor tip and horizontal rotating shaft's bevel gear cooperate), the one end of horizontal rotating shaft 403 passes acid storage tank 2 lateral wall and extends to in the acid storage tank 2 and fixedly connected with flabellum 405 rim plate 404, fixed mounting has a plurality of flabellum 405 on the flabellum 405 rim plate 404, the other end of horizontal rotating shaft 403 passes 3 lateral walls of fluid loss additive drilling fluid bin and extends to fluid loss additive drilling fluid loss A stirring device 406 is fixedly connected in the drilling fluid storage tank 3, an acid adding pipe 201 is arranged at the top end of the acid storage tank 2, the orifice of the acid adding pipe 201 passes through the top of the shell 1 and extends to the outside of the shell 1, the bottom of the acid storage tank 2 is connected with an acid-proof injection pump 203 through a first-order acid injection pipe 202, the acid-proof injection pump 203 is fixedly arranged at the outer side of the shell 1, the first-order acid injection pipe 202 is provided with an acid flow control valve 204, the other end of the acid-proof injection pump 203 is communicated with a second-order acid injection pipe 205, the top end of the filtrate reducer drilling fluid storage tank 3 is provided with a filtrate reducer drilling fluid adding pipe 301, the orifice of the fluid loss additive drilling fluid addition pipe 301 extends through the top of the housing 1 to the outside of the housing 1, the bottom of the fluid loss additive drilling fluid storage tank 3 is communicated with the outside through a drilling fluid injection pipe 303, the drilling fluid injection pipe 303 is provided with a fluid loss additive drilling fluid flow control valve 302.

The side wall of the acid storage tank 2 is provided with a liquid level meter 206, and the liquid level meter 206 is used for observing the height of the acid liquid in the acid storage tank 2, so that the capacity of the acid liquid in the acid storage tank 2 can be conveniently controlled.

Wherein, the bottom of the shell 1 is provided with wheels 101, which is convenient for the movement of the acidification fluid loss device.

The transmission part is a gear, the gear comprises a horizontal gear and a vertical gear, the horizontal gear is detachably mounted on the motor shaft 402, the vertical gear is sleeved on the horizontal rotating shaft 403, and the horizontal gear is meshed with the vertical gear.

The work of motor 401 drives flabellum 405 in the acid storage tank 2 and rotates, increases the velocity of flow of acidizing fluid to increased the pressure that the acidizing fluid flows out, can deal with different topography, motor 401 work drives agitating unit 406 rotation in fluid loss additive drilling fluid bin 3, and the effectual fluid loss additive drilling fluid that has guaranteed is even.

In the actual use process, acid liquor is injected into the acid storage tank 2 under the action of the acid-resistant injection pump 203 and the second-order acid injection pipe 205, and drilling fluid is injected into the filtrate reducer drilling fluid storage tank under the action of the drilling fluid injection pipe 303.

The motor 401 is started, and under the action of the bevel gear at the end part of the driving shaft of the motor and the bevel gear on the horizontal rotating shaft, the motor drives the horizontal rotating shaft to rotate, so that the fan wheel disc 404 and the stirring device 406 are driven to rotate simultaneously, the pressure of acid at the acid adding pipe 201 is increased by the operation of the fan wheel disc, and the acid liquid is conveniently sprayed out from the end part of the acid adding pipe; meanwhile, the stirring device 406 also stirs the stirring liquid, so that the use quality of the stirring liquid is improved.

And in the room in the technique that provides, the motor provides power for two equipment simultaneously, has optimized whole design of establishing, has also reduced the energy consumption.

What has just been said in the above is the preferred embodiment of the oil field oil and water well acidification fluid loss filter that the utility model discloses, it should be pointed out, to the ordinary technical personnel in this field, under the prerequisite that does not deviate from the inventive concept, can also make a plurality of deformations and improvements, these all belong to the utility model discloses a protection scope.

Claims

1. An oilfield oil and water well acidizing fluid loss device, characterized in that, acidizing fluid loss device includes: a housing, the casing internal fixation is provided with acid storage tank and filtrate reducer drilling fluid bin, acid storage tank and filtrate reducer drilling fluid bin set up side by side, be provided with the motor case between acid storage tank and the filtrate reducer drilling fluid bin, motor case fixed mounting is in casing inside bottom, fixed mounting has the motor in the motor case, the motor shaft of motor is connected with horizontal rotating shaft through the driving medium, the one end of horizontal rotating shaft is passed acid storage tank lateral wall and is extended to in the acid storage tank and fixedly connected with impeller dish, fixed mounting has a plurality of flabellums on the impeller dish, the other end of horizontal rotating shaft passes filtrate reducer drilling fluid bin lateral wall and extends to in the filtrate reducer drilling fluid bin and fixedly connected with agitating unit, acid storage tank top is provided with adds the acid pipe, it passes the casing top and extends to the casing outside to add the acid pipe mouth, store up acid tank bottom and have acidproof injection pump through first-order acid injection union coupling, acidproof injection pump fixed mounting is in the casing outside, be provided with acid flow control valve on the first-order acid injection pipe, acidproof injection pump's the other end and second order acid injection pipe UNICOM, fluid loss agent drilling fluid bin top is provided with fluid loss agent drilling fluid and adds the pipe, fluid loss agent drilling fluid adds the pipe orifice and passes the casing top and extend to the casing outside, fluid loss agent drilling fluid bin bottom is through drilling fluid injection pipe and outside UNICOM, be provided with fluid loss agent drilling fluid flow control valve on the drilling fluid injection pipe.

2. The acidification fluid loss device for the oil and water well in the oil field of claim 1, wherein a liquid level meter is arranged on the side wall of the acid storage tank.

3. The acidification fluid loss device for oil and water wells in oil fields as claimed in claim 1, wherein wheels are arranged at the bottom of the casing.

4. The acidification fluid loss device for oil and water wells in oil fields as claimed in claim 1, wherein the transmission member is a gear comprising a horizontal gear and a vertical gear, the horizontal gear is detachably mounted on the motor shaft, the vertical gear is sleeved on the horizontal rotating shaft, and the horizontal gear is engaged with the vertical gear.