Hole sealing agent for seismic exploration and method of manufacturing the same

A technology of seismic exploration and sealing agent, which is applied in the field of seismic exploration, can solve problems affecting the safety of the ground environment, affecting seismic wave parameters, and affecting the accuracy of reflected waves, etc., so as to improve the detection depth and exploration accuracy, slow down the response speed, and be easy to master Effect

Inactive Publication Date: 2008-12-10
武汉山友爆破科技工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the blockage is not dense, it will first affect the downward effect of the initial wave, and the detection depth will also be reduced; secondly, it will also affect the accuracy of the reflected wave. After the explosive detonates, the main wave propagates downward, and part of the wave propagates upward. , the energy of this part of the wave is very large and cannot be ignored. After these waves reach the surface, a small part of them is transmitted and most of them are reflected, and the reflected waves will be superimposed with the waves reflected back from the main wave, which will affect the parameters of the seismic wave. Misjudgment may occur when the device analyzes these parameters; in addition, if the wave energy reaching the surface is too large, it will directly affect the safety of the ground environment; again, if the blockage is not dense, there will be punching holes, which will bring hazards such as flying stones, which is a Security risks

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Sealing agent for seismic exploration, it is made of over-burned CaO, cement (ordinary Portland cement) with strength grade of 32.5 and inorganic materials. The weight percentage of each raw material is: over-burned CaO 90%, strength grade is 32.5 6% of the cement and 4% of the inorganic material (suitable for seismic exploration blastholes with an actual blasthole diameter of 62 mm); the inorganic material is quartz sand.

[0020] The method for preparing the above-mentioned seismic prospecting sealing agent includes the following steps:

[0021] 1) Selection of raw materials: according to the weight percentage of each raw material: 90% over-burned CaO, 6% strength grade 32.5 cement, 4% inorganic materials, select over-burned CaO, strength grade 32.5 cement and inorganic material additives , Standby; the inorganic material is quartz sand;

[0022] 2) Grind the burned CaO into fine powder with a particle size of 60 mesh sieve, add cement with a strength grade of 32.5, and s...

Embodiment 2

[0024] Seismic prospecting sealing agent, it is made of over-burned CaO, cement (Portland cement) with strength grade of 42.5 and inorganic materials. The weight percentage of each raw material is: over-burned CaO 40%, strength grade of 42.5 Cement is 40% and inorganic material is 20%; the inorganic material is quartz sand.

[0025] The method for preparing the above-mentioned seismic prospecting plugging agent includes the following steps:

[0026] 1) Selection of raw materials: according to the weight percentage of each raw material: 40% over-burned CaO, 40% cement with a strength grade of 42.5, and 20% inorganic materials. Select over-burned CaO, cement and inorganic materials with a strength grade of 42.5. Standby; the inorganic material is quartz sand;

[0027] 2) Grind the burned CaO into fine powder with a particle size of 60 mesh sieve, add cement with a strength grade of 42.5, and mix it for 5 minutes; then add inorganic materials for the second grinding and mixing. The t...

Embodiment 3

[0029] Sealing agent for seismic exploration, it is made of over-burned CaO, cement (peraluminate cement) with strength grade of 52.5 and inorganic materials. The weight percentage of each raw material is: over-burned CaO 97%, strength grade is 52.5 The cement is 2%, the inorganic material is 1%; the inorganic material is quartz sand.

[0030] The method for preparing the above-mentioned seismic prospecting sealing agent includes the following steps:

[0031] 1) Selection of raw materials: according to the weight percentage of each raw material: 97% of over-burned CaO, 2% of cement with a strength level of 52.5, 1% of inorganic materials, selected over-burned CaO, cement and inorganic materials with a strength level of 52.5, Standby; the inorganic material is quartz sand;

[0032] 2) Grind the burned CaO into fine powder with a particle size of 60 mesh sieve, add cement with a strength grade of 52.5, and stir for 20 minutes; then add inorganic materials for the second stirring tim...

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Abstract

The invention belongs to the seismic exploration technical field, in particular relating to a hole sealing agent and a preparation method thereof. The seismic exploration hole sealing agent is characterized in that the agent is prepared by superburning calcium oxide, cement with a strength grade more than 32.5 and an inorganic material; the raw materials by weight percentage of the hole sealing agent are: 40 to 97 percent of the superburning calcium oxide, 2 to 40 percent of the cement with the strength grade more than 32.5, and 1 to 30 percent of the inorganic material which is ganister sand or heavy calcium powder. The hole sealing agent has the advantages of simple construction, low difficulty to master, good sealing effect, safe use and low cost, etc.

Description

Technical field [0001] The invention belongs to the technical field of seismic exploration, and specifically relates to a plugging agent and a preparation method thereof, and is suitable for plugging of seismic source blastholes in seismic exploration. Background technique [0002] In the engineering application of seismic source blast hole plugging, whether the conventional seismic source blast hole is plugged with debris, sand, water or other mixed materials, it is a natural plugging method without prestressing. There are many kinds of blocking materials, but the effect is not satisfactory. Conventional blockages are detritus. Sometimes due to groundwater, the construction unit simply does not block it, and directly uses water to block the drug pack. This method has a great impact on the accuracy and depth of seismic exploration. The principle of seismic exploration is to use all seismic waves to propagate to the stratum, and the quality of the blockage directly affects the amo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/04G01V1/04C04B14/06
CPCC04B28/10
Inventor 王玉杰刘亚明王力刘坤李吉民
Owner 武汉山友爆破科技工程有限公司
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