CN205918417U

CN205918417U - Sound wave caliper

Info

Publication number: CN205918417U
Application number: CN201620896325.7U
Authority: CN
Inventors: 袁阿明; 于英强
Original assignee: Xi'an Heng Yu Electronic Technology Co Ltd
Current assignee: Xi'an Heng Yu Electronic Technology Co Ltd
Priority date: 2016-08-17
Filing date: 2016-08-17
Publication date: 2017-02-01
Anticipated expiration: 2026-08-17

Abstract

The utility model discloses a sound wave caliper, including power module to and the signal acquisition and processing module, the same emission module of power module, preprocessor module, control are connected with the synchronous circuit module simultaneously, wherein control and are connected simultaneously with the same emission module of synchronous circuit module, preprocessor module, signal acquisition and processing module, and emission module is connected with transmission power module 0, and preprocessor module is connected with the receiving transducer, and transmission power module 0 is together connect transmission and the receipt of carrying out the signal between the probe, the signal acquisition and processing module is connected to the terrestrial system, the utility model discloses in the use of going into the well, the instrument do not need with casing wall contact, has reduced the instrument by a wide margin and has met and hinder the rate, have simultaneously that the service restrictions is little, application scope wide, need not to consider characteristics such as cover tube material, magnetic inductivity, filled in internal sound wave class caliper in the pit the sleeve pipe visit the blank of decreasing.

Description

A kind of acoustic caliper

Technical field

The present invention relates to downhole instruments for petroleum logging technical field is and in particular to a kind of covered based on acoustic wave methodogy detection down-hole The caliper of tubular change.

Background technology

Constantly carrying out with Petroleum Production, the quantity of old well gets more and more, and sleeve pipe distortion, wrong section, deformation are corroded Situation is also increasingly severe.At present, the measuring method of main flow has Mechanical Method, electromagnetic method and three kinds of sonic method.Wherein:

Mechanical Method is primarily referred to as, with mechanical arm and casing-contact, metataxis amount in sleeve pipe for the mechanical arm being converted into electricity Signal, then obtains the inwall situation of change of down-hole casing by corresponding scale algorithm, and the instrument of main flow has 18,24,40,60 Arm.

Electromagnetic method mainly uses transmitting coil to send a momentary pulse to sleeve pipe, and receiving coil is within the specific time period Then it connected with casing thickness by time decay within this time for the acquisition pulse signal with distinctive algorithm, from And obtaining casing thickness information, main flow instrument mainly has electromagnetic test and electromagnetic thickness measuring.

However, become with the method measurement sleeve of machinery there is larger defect, must be contacted, if down-hole occurs Wrong section, when large fracture, easily meets card, measurement arm needs variable interval to change, and the multi-arm quasi-instrument of current main flow is deposited Long in the temperature-compensating time, so virtually decrease the service life of instrument.Electromagnetic method subjectivity in terms of explanation is larger, needs Want well log interpretation personnel to have this quasi-instrument more rich to explain correlation experience, and casing material properties are required.

The instrument measuring sleeve change with the method for sound wave is less at present, domestic almost blank in this aspect, abroad It is mainly used to coordinate acoustic variable-density quasi-instrument detection cementing quality.

Utility model content

For solving above-mentioned prior art problem, the purpose of this utility model is to provide a kind of acoustic wave methodogy that is based on to detect well The caliper of setting of casing deformation, it is sent ultrasonic waves in sleeve pipe by different transmitting transducers, will be surveyed with receive transducer Amount signal acquisition, by auxiliary transmission transducer thus obtaining propagation characteristic under current state for the sound wave, is obtained by algorithm The parameter of sleeve pipe deformation, just can judge the situations such as deformation, the damage of sleeve pipe from ground system finally by cable transmission.

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

A kind of acoustic caliper it is characterised in that: include power module, and be simultaneously connected with described power module Transmitter module, pretreatment module, control and synchronous circuit module, and signal acquisition process module, wherein said control with The same transmitter module of step circuit module, pretreatment module, signal acquisition process module are simultaneously connected with, and described transmitter module is connected with to be sent out Penetrate contact unit, described pretreatment module is connected with receiving transducer, described transmitting probe unit with described joint pop one's head between enter The transmitting of row signal and reception, described signal acquisition process module is connected to the ground plane system.

Further, it is preferred that, described transmitting probe unit includes the first transmitting probe, the second transmitting probe and auxiliary Help transmitting probe.

Further, it is preferred that, described transmitter module is made up of transmitting transducer and transmitting exciting circuit.

Further, it is preferred that, described signal acquisition process module includes the reception sensor being sequentially connected, secondary Modulate circuit, Acquisition Circuit, signal processing circuit and transmission circuit.

Further, it is preferred that, described pretreatment module is by amplifying circuit, filter circuit and common group of control circuit Become.

Further, it is preferred that, described acoustic caliper be configured to include be disposed with electronic cartridge, Transmitting pipe nipple, probe nipple, described each pipe nipple is arranged within outer protection tube, and described outer protection tube upper and lower ends are provided with joint, and It is provided with erection device at close upper and lower ends.

Further, it is preferred that, described power module, signal acquisition process module, control and synchronous circuit module quilt It is configured at electronic cartridge, described transmitter module, pretreatment module are configured in transmitting pipe nipple, described transmitting probe unit, Receiving transducer is configured in probe nipple.

Further, it is preferred that, described auxiliary transmission probe is coaxially disposed with receiving transducer, and described first transmitting is visited Head, the second transmitting probe and receiving transducer are coaxially disposed, and closely arrange each other, wherein said first transmitting probe, the Two transmitting probes and auxiliary probe are configured to time-sharing work, and the transmit cycle of auxiliary transmission probe be the first transmitting probe, 10 times of second transmitting probe.

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

1st, during going into the well and using, instrument does not need to contact with casing wall, instrument is greatly reduced and is hampered rate；

2nd, little using limiting, applied widely, the characteristics such as shell material, permeability need not be considered；

3rd, fill up domestic sound wave class caliper down-hole casing and visit the blank damaged.

Brief description

Fig. 1 is structural representation of the present utility model；

In figure: 101, joint；102nd, electronic cartridge；103rd, erection device；104th, launch pipe nipple；105th, probe is short Section.

Fig. 2 is that circuit of the present utility model connects block diagram.

In figure: 1, power module；2nd, transmitter module；3rd, pretreatment module；4th, control and synchronous circuit module；5th, signal is adopted Collection processing module；6th, ground system；7th, the first transmitting probe；8th, the second transmitting probe；9th, auxiliary transmission probe；10th, receive and visit Head.

Specific embodiment

For making technical characteristic of the present utility model, realizing principle and beneficial effect it can be readily appreciated that in conjunction with accompanying drawing and enforcement Example is described in further detail to this utility model, but is not construed as to restriction of the present utility model.

As shown in figure 1, acoustic caliper provided by the utility model, overall structure includes in outer protection tube according to The electronic cartridge 102 of secondary setting, transmitting pipe nipple 104 and probe nipple 105, the upper and lower ends of outer protection tube are provided with joint 101, and in being provided with erection device 103 at upper and lower ends, wherein:

Electronic circuit short circuit 102 is configured with power module 1, signal acquisition process module 5, controls and synchronous circuit module 4；

Transmitting pipe nipple 104 is configured with transmitter module 2, pretreatment module 3；

Probe nipple 105 is configured with the first transmitting probe 7, the second transmitting probe 8, auxiliary transmission probe 9 and receiving transducer 10, wherein auxiliary transmission probe 9 is coaxially disposed with receiving transducer 10, and the first transmitting probe 7, the second transmitting probe 8 are visited with receiving 9 are coaxially disposed, and closely arrange each other, and the first transmitting probe 7, the second transmitting probe 8 and auxiliary probe 9 are joined in addition Be set to time-sharing work, the transmit cycle of auxiliary transmission probe 9 be the first transmitting probe 7, ten times of the second transmitting probe 8.

As preferred embodiment of the present utility model, above-mentioned transmitter module 2 is by transmitting transducer and transmitting exciting circuit group Become；Signal acquisition process module 5 includes the reception sensor being sequentially connected, secondary modulate circuit, Acquisition Circuit, signal processing Circuit and transmission circuit, for carrying out difference, iteration, timesharing average computation to the signal measuring；Pretreatment module 3 is by amplifying Circuit, filter circuit and control circuit collectively constitute, and are mainly used to the signal receiving is filtered, nurse one's health and can reach Receive and require；Control and at least include sequence circuit, control circuit and synchronous circuit, to produce auxiliary transmission with synchronization module 4 When probe the 9, first transmitting probe 7, the excitation sequential of the second transmitting probe 8, pretreatment module 3 and receiving transducer 10 and synchronization Sequence, controls the gain of transmitter module 2, the passage switching of pretreatment module 3, the channel selecting of signal acquisition process module 5.

With reference to Fig. 2, above-mentioned power module 1 with transmitter module 2, pretreatment module 3, control with synchronous circuit module 4 and Signal acquisition process module 5 is simultaneously connected with, and wherein controls with synchronous circuit module 4 with transmitter module 2, pretreatment module 3, signal Acquisition processing module 5 is simultaneously connected with, and transmitter module 2 is connected with the first transmitting probe 7, the second transmitting probe 8 and auxiliary transmission and visits 9, pretreatment module 3 is connected with receiving transducer 10, the first transmitting probe 7, the second transmitting probe 8 and auxiliary transmission probe 9 with Carry out transmitting and the reception of signal, signal acquisition process module 5 is connected to the ground plane system 6 between joint probe 10.

During work, ground system 6 is powered to power module 1 by cable, and the voltage inputting is passed through filter by power module 1 After ripple, voltage stabilizing, current stabilization etc. are processed, produce the various driving voltages required for instrument work, and start working.Steady Deng instrument work After fixed, control and control transmitter module 2 to make auxiliary transmission probe 9 work with synchronous circuit module 4.In the process, by controlling Complete to measure for the first time with synchronous circuit module 4, signal acquisition process module 5 and pretreatment module 3.Subsequently, control and synchronization Circuit module 4 controls transmitter module 2 to make the first transmitting probe 7, and the second transmitting probe 8 works, meanwhile, by controlling and synchronous electricity Road module 4, signal acquisition process module 5 and pretreatment module 3 complete second and third measurement；Finally by signal acquisition process Module 5 enters to be uploaded to ground system 1 after data processing to measurement data, completes once complete measurement.

Claims

1. a kind of acoustic caliper it is characterised in that: include power module, and with sending out that described power module is simultaneously connected with Penetrate module, pretreatment module, control and synchronous circuit module, signal acquisition process module；Wherein, described control and synchronous circuit The same transmitter module of module, pretreatment module, signal acquisition process module are simultaneously connected with, and described transmitter module is connected with transmitting probe Unit, described pretreatment module is connected with receiving transducer, and described transmitting probe unit carries out signal between described receiving transducer Transmitting and reception, described signal acquisition process module is connected to the ground plane system.

2. a kind of acoustic caliper according to claim 1 it is characterised in that: described transmitting probe unit includes first Transmitting probe, the second transmitting probe and auxiliary transmission probe.

3. a kind of acoustic caliper according to claim 1 it is characterised in that: described transmitter module by transmitting transducer and Transmitting exciting circuit composition.

4. a kind of acoustic caliper according to claim 1 it is characterised in that: described signal acquisition process module includes The reception sensor that is sequentially connected, secondary modulate circuit, Acquisition Circuit, signal processing circuit and transmission circuit.

5. a kind of acoustic caliper according to claim 1 it is characterised in that: described pretreatment module by amplifying circuit, Filter circuit and control circuit collectively constitute.

6. a kind of acoustic caliper according to claim 1 it is characterised in that: described acoustic caliper be configured to including It is disposed with electronic cartridge, transmitting pipe nipple, probe nipple, described each pipe nipple is arranged within outer protection tube, described outer Pillar upper and lower ends are provided with joint, and are provided with erection device at close upper and lower ends.

7. a kind of acoustic caliper according to claim 6 it is characterised in that: described power module, signal acquisition process Module, control are configured in electronic cartridge with synchronous circuit module, and described transmitter module, pretreatment module are configured in be sent out Penetrate pipe nipple, described transmitting probe unit, receiving transducer are configured in probe nipple.

8. a kind of acoustic caliper according to claim 2 it is characterised in that: described auxiliary transmission probe and receiving transducer It is coaxially disposed, described first transmitting probe, the second transmitting probe and receiving transducer are coaxially disposed, and closely arrange each other, Wherein first transmitting probe, the second transmitting probe and auxiliary probe are configured to time-sharing work, and the transmitting of auxiliary transmission probe Cycle be the first transmitting probe, 10 times of the second transmitting probe.