Device for extracting primary carbonate lattice sulfate in carbonate rock

A carbonate lattice and carbonate rock technology, applied in calcium/strontium/barium sulfate, inorganic chemistry, calcium/strontium/barium compounds, etc., can solve problems affecting the original CAS content and sulfur isotope test results

Inactive Publication Date: 2021-07-09
GUANGZHOU MARINE GEOLOGICAL SURVEY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, a very small amount of pyrite oxidation has a great influence on the extraction purity of primary CAS, thereby seriously affecting the test results of primary CAS content and sulfur isotope
[0009] With my country's in-depth research on emerging energy fields such as deep-ultra-deep carbonate oil and

Method used

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  • Device for extracting primary carbonate lattice sulfate in carbonate rock
  • Device for extracting primary carbonate lattice sulfate in carbonate rock
  • Device for extracting primary carbonate lattice sulfate in carbonate rock

Examples

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Embodiment

[0092] Figure 9 It is a schematic diagram of a device for extracting primary carbonate lattice sulfate in carbonate rocks according to the ninth embodiment of the present invention. like Figure 9 As shown, the device of this embodiment includes: an air tightness detection unit 7, a protective gas unit 5, an anti-suckback unit 8, a control unit 6, a sulfate radical-barium salt reaction unit 3, a stirring unit 12, a condensation unit 9, a barium Salt feeding unit 4, carbonate rock-acetic acid reaction unit 1, acetic acid feeding unit 2, cooling liquid circulation unit 10;

[0093] Wherein, the discharge port of the acetic acid feeding unit 2 is communicated with the feed port of the carbonate rock-acetic acid reaction unit 1, and the discharge port of the carbonate rock-acetic acid reaction unit 1 and the discharge port of the barium salt feeding unit 4 are both Be communicated with the feed inlet of sulfate radical-barium salt reaction unit 3;

[0094] The shielding gas un...

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Abstract

The invention provides a device for extracting primary carbonate lattice sulfate in carbonate rock. The device comprises a carbonate rock-acetic acid reaction unit, an acetic acid feeding unit, a sulfate radical-barium salt reaction unit and a barium salt feeding unit, wherein a discharge port of the acetic acid feeding unit is communicated with a feed port of the carbonate rock-acetic acid reaction unit; a discharge port of the carbonate rock-acetic acid reaction unit and a discharge port of the barium salt feeding unit are both communicated with a feed port of the sulfate radical-barium salt reaction unit. All the units of the device are simple in connection and good in sealing performance, air can be effectively isolated, sulfur isotopes are prevented from being separated in the operation process, sulfur elements in other minerals are prevented from influencing the sulfur isotopes in CAS, and therefore high-purity native CAS can be extracted.

Description

technical field [0001] The invention relates to the technical field of petroleum and natural gas geochemistry, in particular to a device for extracting primary carbonate lattice sulfate in carbonate rocks. Background technique [0002] Carbonate rocks are rocks that contain more than 50% carbonate minerals. Carbonate rocks can be used as oil and natural gas reservoirs or source rocks. Carbonate rock oil and gas resource reserves account for about 50% of the world's total reserves, and its oil and gas production accounts for more than 60% of the world's total oil and gas production. Carbonate oil and gas reservoirs also have a very important position in my country, except for the traditional carbonate reservoirs of the Renqiu Proterozoic, the Sinian-Permian-Triassic in Northwest Sichuan, and the Paleogene in the Zhanhua Sag. , the newly discovered Ordovician ultra-deep carbonate reservoirs in the Tarim Basin had a peak production equivalent of more than 3.7×10 6 t has become...

Claims

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Application Information

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IPC IPC(8): C01F11/46
CPCC01F11/462
Inventor 许辰璐陆红锋李廷微蔡春芳刘纪勇刘玲萨日娜宁子杰匡增桂赖洪飞
Owner GUANGZHOU MARINE GEOLOGICAL SURVEY
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