CN106321060A - Double-frequency adjustable-spacing dipole acoustic remote exploration sound source transmitting device - Google Patents
Double-frequency adjustable-spacing dipole acoustic remote exploration sound source transmitting device Download PDFInfo
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- CN106321060A CN106321060A CN201510380115.2A CN201510380115A CN106321060A CN 106321060 A CN106321060 A CN 106321060A CN 201510380115 A CN201510380115 A CN 201510380115A CN 106321060 A CN106321060 A CN 106321060A
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Abstract
The invention provides a double-frequency adjustable-spacing dipole acoustic remote exploration sound source transmitting device. According to the scheme, a high-frequency dipole source and a low-frequency dipole source are arranged at the two ends of a hollow connecting rod in a sleeving mode; the portion, between the high-frequency dipole source and the low-frequency dipole source, of the hollow connecting rod is sleeved with a spring and a check ring; one of the high-frequency dipole source and the low-frequency dipole source is fixedly connected with the hollow connecting rod; the check ring is fixedly connected with another low-frequency dipole source or a high-frequency dipole source and then is in sliding fit with the hollow connecting rod; a plurality of positioning holes are evenly distributed in the hollow connecting rod in the axial direction at intervals; a positioning groove is formed in the check ring; and the positioning groove and one positioning hole are matched in a locked mode through a positioning pin. According to the double-frequency adjustable-spacing dipole acoustic remote exploration sound source transmitting device, the dipole acoustic sources of two frequencies are utilized to trigger a stratum, a conventional dipole acoustic source can be utilized to detect the geological condition near a well, the low-frequency dipole acoustic source can be utilized to detect the geological condition of the position 50 meters away from the well, and reliable data are provided for anisotropic analysis of the stratum.
Description
Technical field:
The invention belongs to acoustic logging equipment and field of tool, specifically be that one realizes dipole sonic and far detects transmitting built-up sound source device.
Background technology:
Dipole shear wave logging technology originally mainly utilizes an one pole sound source and a doublet source to carry out compressional wave, shear wave detection, to obtain the various geologic parameters in wellhole.Owing to the tranmitting frequency of one pole, doublet source limits, it is impossible to go deep into stratum far.The remote Detection Techniques of dipole shear wave are the extensions of dipole acoustic log technology development in recent years, utilize four component doublet sources at its low frequency flexural wave excited below frequency, there is enough penetration depths, and the SH reflection wave received has certain amplitude, can be received by highly sensitive four component receiving transducers and differentiate.
Summary of the invention:
The invention aims to adapt in modern petroleum, mineral exploration development process the geological structure to tens of meters of scopes of well week and be analyzed the requirement of research, a kind of double frequency of specialized designs, tunable source away from dipole sonic far detect emission sound source device.
Its technical scheme is:
A kind of double frequency, tunable source away from dipole sonic far detect emission sound source device, including height, the doublet source of low two kinds of frequencies, wherein: high-frequency doublet source and low-frequency doublet source are sleeved on the two ends of hollow connecting rod, spring and baffle ring it is set with on hollow connecting rod between high-frequency doublet source and low-frequency doublet source, one of high-frequency doublet source or low-frequency doublet source are relatively fixed with hollow connecting rod and are connected, slide with hollow connecting rod after baffle ring is connected with another low-frequency doublet source or high-frequency doublet source and coordinate, axially spaced on hollow connecting rod it is evenly equipped with hole, several location, baffle ring is provided with locating slot, locating slot and hole, location are by alignment pin lock fit.
Such scheme is further defined in that
Described low-frequency doublet source is fixing with hollow connecting rod to be connected, and high-frequency doublet source slides after being connected with baffle ring and is sleeved on the hollow connecting rod other end, and spring is located between low-frequency doublet source and baffle ring.
Described high-frequency doublet source is fixing with hollow connecting rod to be connected, and low-frequency doublet source slides after being connected with baffle ring and is sleeved on the hollow connecting rod other end, and spring is located between high-frequency doublet source and baffle ring.
Described high-frequency doublet source is 4KHz cross dipole transmitting probe assembly；Described low-frequency doublet source is that 1KHz far detects dipole emission probe assembly.
Assembly of the invention utilizes the sound source of the dipole of two kinds of frequencies to excite stratum, both conventional dipole sound source (frequency is about 2-5kHz) can have been utilized, the geological condition of detection near wellbore, can utilize again low frequency (less than 2 kHz) doublet source detecting shaft week more than 50 meters of remote geological conditions.Each item data such as full-wave train sonic data and the formation shear time difference on two kinds of stratum of soft or hard can be obtained, and provide reliable data for stratum anisotropic analysis.It addition, along with the increase of spacing, reflection wave amplitude fading increases.Reasonably selecting spacing can be to receive higher-quality reflection wave to provide favourable support.Therefore, tunable source away from proposition, for well logging personnel select best source away from providing possibility according to existing geologic information (offset well or seismic prospecting data).
Accompanying drawing illustrates:
The overall construction drawing of a kind of specific embodiment of Fig. 1 present invention；
Fig. 2 Fig. 1 medium-high frequency (4KHz) far detection dipole emission probe assembly part structure chart；
Fig. 3 Fig. 1 medium and low frequency (1KHz) cross dipole transmitting probe assembly part structure chart.
In figure: 1,4KHz XMAC type cross dipole transmitting probe assembly；2, hollow connecting rod；3, spring；4, alignment pin；5, baffle ring；6,1KHz far detects dipole emission probe assembly；7, hole, location；8, locating slot.
Detailed description of the invention:
Referring to the drawings 1,2 and 3, the present embodiment structure fixedly sleeved on hollow connecting rod 2 by high frequency 4KHz XMAC type cross dipole transmitting probe assembly 1, hollow connecting rod has hole 7, location.Spring 3 is socketed in outside hollow connecting rod, plays damping and effect placed in the middle.A locating slot 8 is had on baffle ring 5.Baffle ring and low frequency 1KHz far detect dipole emission probe assembly 6 and link together.The size of spacing is regulated by the position of regulation positioning pin 4.
This sonic source device and lower transmission control electronic circuit, and it is that array, 8 channel datas gather communication electronic circuits and combine and log well that top acoustic isolater, dipolar bond quiet down.This device and dipole sonic emission control pipe nipple, acoustic isolater pipe nipple, reception pipe nipple, data acquisition communication pipe nipple are applied in combination.This device utilize low frequency 1KHz dipole emission receiving transducer can detecting shaft is other effectively geological structure, including crack, tomography, tilted stratum interface, the oil storage border of horizontal well.Utilizing 4KHz orthogonal dipole emission receiving transducer to evaluate formation fracture, corrosion cavity, the shear-wave slowness of slow formation and anisotropic formation calculates, and evaluates in-place permeability, anisotropy and anisotropism etc..Tunable source, away from having according to wellhole geologic section flexible investigation depth, has simple in construction, convenient and practical feature.
Claims (4)
1. a double frequency, tunable source away from dipole sonic far detect emission sound source device, including height, the doublet source of low two kinds of frequencies, it is characterized in that: high-frequency doublet source and low-frequency doublet source are sleeved on the two ends of hollow connecting rod, spring and baffle ring it is set with on hollow connecting rod between high-frequency doublet source and low-frequency doublet source, one of high-frequency doublet source or low-frequency doublet source are relatively fixed with hollow connecting rod and are connected, slide with hollow connecting rod after baffle ring is connected with another low-frequency doublet source or high-frequency doublet source and coordinate, axially spaced on hollow connecting rod it is evenly equipped with hole, several location, baffle ring is provided with locating slot, locating slot and hole, location are by alignment pin lock fit.
Double frequency the most according to claim 1, tunable source away from dipole sonic far detect emission sound source device, it is characterized in that: described low-frequency doublet source is fixing with hollow connecting rod to be connected, high-frequency doublet source slides after being connected with baffle ring and is sleeved on the hollow connecting rod other end, and spring is located between low-frequency doublet source and baffle ring.
Double frequency the most according to claim 1, tunable source away from dipole sonic far detect emission sound source device, it is characterized in that: described high-frequency doublet source is fixing with hollow connecting rod to be connected, low-frequency doublet source slides after being connected with baffle ring and is sleeved on the hollow connecting rod other end, and spring is located between high-frequency doublet source and baffle ring.
4. according to claim 1 or 2, double frequency described in 3, tunable source away from dipole sonic far detect emission sound source device, it is characterized in that: described high-frequency doublet source is 2-5KHz cross dipole transmitting probe assembly；Described low-frequency doublet source is that 0.5-1.5KHz far detects dipole emission probe assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510380115.2A CN106321060A (en) | 2015-07-02 | 2015-07-02 | Double-frequency adjustable-spacing dipole acoustic remote exploration sound source transmitting device |
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| CN201510380115.2A CN106321060A (en) | 2015-07-02 | 2015-07-02 | Double-frequency adjustable-spacing dipole acoustic remote exploration sound source transmitting device |
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| CN106321060A true CN106321060A (en) | 2017-01-11 |
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| CN201510380115.2A Pending CN106321060A (en) | 2015-07-02 | 2015-07-02 | Double-frequency adjustable-spacing dipole acoustic remote exploration sound source transmitting device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108519583A (en) * | 2018-04-11 | 2018-09-11 | 吉林大学 | Acoustic emission source locating method suitable for anisotropy two dimensional panel |
| CN110295892A (en) * | 2019-06-21 | 2019-10-01 | 中国石油大学(北京) | The determination method and device of shear wave decay factor in multipole array sonic log |
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| CN108519583A (en) * | 2018-04-11 | 2018-09-11 | 吉林大学 | Acoustic emission source locating method suitable for anisotropy two dimensional panel |
| CN110295892A (en) * | 2019-06-21 | 2019-10-01 | 中国石油大学(北京) | The determination method and device of shear wave decay factor in multipole array sonic log |
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| PB01 | Publication | ||
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| TA01 | Transfer of patent application right |
Effective date of registration: 20200617 Address after: 100027 Beijing, Chaoyangmen, North Street, No. 22, No. Applicant after: SINOPEC Group Applicant after: SINOPEC OILFIELD SERVICE Corp. Applicant after: SINOPEC SHENGLI PETROLEUM ENGINEERING Co.,Ltd. Applicant after: WELL LOGGING COMPANY, SINOPEC SHENGLI PETROLEUM ENGINEERING Co.,Ltd. Address before: 100029 Beijing City, Chaoyang District Hui Street No. six twelfth floor Applicant before: SINOPEC OILFIELD SERVICE Corp. Applicant before: WELL LOGGING COMPANY, SINOPEC SHENGLI PETROLEUM ENGINEERING Co.,Ltd. |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20220214 Address after: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Applicant after: SINOPEC Group Applicant after: SINOPEC OILFIELD SERVICE Corp. Applicant after: SINOPEC SHENGLI PETROLEUM ENGINEERING Co.,Ltd. Applicant after: Sinopec Jingwei Co.,Ltd. Applicant after: Shengli logging company of Sinopec Jingwei Co.,Ltd. Address before: 100027 Chaoyangmen North Street, Chaoyang District, Chaoyang District, Beijing Applicant before: SINOPEC Group Applicant before: SINOPEC OILFIELD SERVICE Corp. Applicant before: SINOPEC SHENGLI PETROLEUM ENGINEERING Co.,Ltd. Applicant before: WELL LOGGING COMPANY, SINOPEC SHENGLI PETROLEUM ENGINEERING Co.,Ltd. |
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