CN205225206U

CN205225206U - A pumping device for beam -pumping unit well surveying well

Info

Publication number: CN205225206U
Application number: CN201521028655.6U
Authority: CN
Inventors: 赖晓虎; 郭宣铭; 孙保平; 生智
Original assignee: BRILLIANCE CHINA PETROLEUM TECHNOLOGY Co Ltd SHAANXI
Current assignee: BRILLIANCE CHINA PETROLEUM TECHNOLOGY Co Ltd SHAANXI
Priority date: 2015-12-10
Filing date: 2015-12-10
Publication date: 2016-05-11
Anticipated expiration: 2025-12-10

Abstract

The utility model aims at providing a pumping device for beam -pumping unit well surveying well, including the pump body and reducing piston body, wherein pump body lower extreme is provided with the joint that is used for connecting oil pipe, sets up the inlet and the liquid outlet that dispose the single current valve on the pump body, and the reducing piston body sets up within the pump body, and reducing piston body upper end is provided with the coupling that is used for connecting oil pipe and logging instrument, during implementation, with the installation of pumping device with the tubular column, transferring the back -lash and sealing the packer, the operation that disconnects is logged well after the pumping, the utility model discloses a minor diameter test instrument crosses the trial work of incessantly taking a sample test of draw -off pump plunger and plants, has solved the production profile test of unable adoption annular testing's oil well, can use simultaneously in the water detection of low inclination well.

Description

A kind of pumping means for rod-pumped well well logging

Technical field

The utility model relates to oil well equipment, belongs to oil field withdrawal well liquid production section test device technical field, is specifically related to a kind of pumping means being applicable to use when rod-pumped well production profile is measured.

Background technology

After the tail period stage that oil field enters middle High water cut, oil well is mainly based on rod-pumped well, by carrying out production profile measurement to rod-pumped well and obtaining related data, formulate rational scheme, well stimulation and working system based on the exploitation of survey data to rod-pumped well, for meticulous, the exploitation analysis efficiently in oil field provide and analyze foundation accurately and reliably simultaneously.

The liquid producing profile log technology of existing rod-pumped well and defect mainly contain following several:

1, annular space hierarchical testing technology: transfer instrument from the annular space between tubing and casing, defect is put under being instrument and is put forward difficulty very greatly, and easily occur meeting card or being hampered, also easily cause current collecting umbrella to damage, success log ratio is low;

2, interim gaslift hierarchical testing technology: interim employing gas-lift production method is transferred instrument from oil pipe and logged well, and it is not too identical that defect is to implement comparatively complexity, admission data and reality, and need underground work;

3, Mechanical Method hierarchical testing technology: adopt lower packet to carry out layering blocking, successively measure, defect is that work operations amount is large, and cost is higher;

4, double tube technology: adopt a pipe oil pumping, a pipe test is carried out, and defect is that logging cost is higher;

5, take a sample test technology: after first being tripped out by former tubing string, put into instrument under from sleeve pipe, then test after transferring oil well pump, trip out tubing string and recur out after instrument, recover former tubing string, this technological deficiency is that implementation step is complicated, and needs underground work, and logging cost is high.

Utility model content

For solving above-mentioned prior art problem, the purpose of this utility model is to provide a kind of pumping means used when being applicable to rod-pumped well liquid producing profile log, to realize this device to transfer to design attitude with tubing string, base sealed packer successively, grappling anti-jack slips, tubing string disconnects, tractor hoist is utilized to drive the tubing string simulation motor-pumped well of kowtowing that pumps to carry out pumping, take out after work until oil reservoir, the moisture logger of minor diameter flow is entered to pay interval from tubing string, carry out zonal testing, thus the liquid producing profile log technique successful rate overcoming existing rod-pumped well is low, instrument requirements is little, high in cost of production problem.

For realizing above-mentioned technical purpose, technical solution adopted in the utility model is as follows:

A kind of pumping means for rod-pumped well well logging, it is characterized in that: include the pump housing and reducing piston body, wherein said pump housing lower end is provided with the joint for connected pipes, the inlet and liquid outlet that are configured with ball-and-seat is offered on the pump housing, described reducing piston body is arranged within the pump housing, and reducing piston body upper end is provided with the box cupling for connected pipes and logging instrument.

By above technical scheme, the beneficial effects of the utility model are:

1, there is the feature that the testing time is short, operating cost is low, handling safety is reliable, data is accurate, applied widely;

2, achieve minor diameter tester cross draw-off pump plunger do not stop take out test technology, solve the producing profile testing of the oil well that cannot adopt annulus logging;

3, solve the producing profile testing of low liquid producing well or low permeability pay, according to the needs of on-the-spot test data admission, the working system of test draw-off pump can be changed, adopt huge discharge pumping, increase producing pressure differential, start low fluid producing layer;

4, the water detection of low Wells (gradient is less than 38 degree) can be solved.

Accompanying drawing explanation

Fig. 1 is the structural representation of the utility model pumping means.

Description of reference numerals: 1, box cupling; 2, reducing piston body; 3, the pump housing; 4, joint; 5, inlet; 6, liquid outlet.

Fig. 2 is that the utility model pumping means implements schematic diagram.

Description of reference numerals: 101, ground petroleum pipeline; 102, packer; 103, pumping means; 104, oil pipe horn mouth; 105, the first oil reservoir; 106, the second oil reservoir; 107, tubing string; 108, logger; 109, cable.

Detailed description of the invention

For describing the utility model technical characteristic and principle clearly and completely, below with reference to drawings and Examples, the utility model is described in further details, but should be considered as restriction of the present utility model.

As shown in Figure 1, the pumping means used when measuring for rod-pumped well production profile provided by the utility model, includes the pump housing 3 and reducing piston body 2, wherein:

The pump housing 3 lower end is provided with the joint 4 for connected pipes, offers the inlet 5 and liquid outlet 6 that are configured with ball-and-seat on the pump housing 3;

Reducing piston body 2 is arranged within the pump housing 3, and reducing piston body 2 upper end is provided with the box cupling 1 for connected pipes and logging instrument.

With reference to Fig. 2, when using pumping means provided by the utility model to log well, concrete steps are as follows:

Step one: by the box cupling 1 connected pipes tubing string 107 of pumping means 103 and logger 108, joint 4 connected pipes horn mouth 104, completes the connection of pumping means 103 with oil pipe;

Step 2: pumping means 103 good for connection is transferred set packer 102 to the predetermined degree of depth with tubing string 107, first upper lifting pipe post 107 to certain altitude when wherein setting, more slowly transfer tubing string 107, pressurization 50-60KN;

Step 3: continue slowly to transfer tubing string 107, pressurization 100KN, the anti-apical organ of grappling oil pipe; Can carry out subsequently testing envelope, by sleeve pipe cementing truck build the pressure 15MPa, 10min pressure do not reduce to qualified;

Step 4: upper lifting pipe post 107, suspending weight approximates disjointed device top tubing string weight, rotates forward oil pipe one fixing turn and disconnects;

Step 5: drive tubing string 107 to move up and down by well head tractor hoist, the reducing piston body 2 of pumping means 103 is pumped in the pump housing 3; Wherein, when reducing piston body 2 is descending, inlet 5 is opened, and well liquid enters in the annular space of reducing piston body 2 and the pump housing 3; When reducing piston body 2 is up, inlet 5 is closed, and liquid outlet 6 is opened, and well liquid enters oil sets annular space, connection ground, oil jacket upper end petroleum pipeline 101;

Step 6: wellbore fluid to be discharged and enter stratum flushing fluid after, transfer logger 108 to the first oil reservoir 105, second oil reservoir 106 layers of position by cable 109 and log well.

Claims

1. the pumping means for rod-pumped well well logging, it is characterized in that: include the pump housing and reducing piston body, wherein said pump housing lower end is provided with the joint for connected pipes, the inlet and liquid outlet that are configured with ball-and-seat is offered on the pump housing, described reducing piston body is arranged within the pump housing, and reducing piston body upper end is provided with the box cupling for connected pipes and logging instrument.