Rock abrasiveness determination method
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- CHINA PETROCHEMICAL CORP
- Publication Date
- 2015-04-29
- Estimated Expiration
- Not applicable · inactive patent
Smart Images
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Abstract
Description
technical field
[0001] The invention relates to the field of rock abrasiveness test methods in the petroleum engineering industry, in particular to a rock abrasiveness test method for rocks with a hardened steel helical simulation drill bit under given indoor conditions. Background technique
[0002] The abrasiveness of the rock is the ability of the rock to wear the rock-breaking tool when the rock-breaking tool (drill bit) rubs against the rock. Practice has proved that the same type of drill bit has a long life, more footage, and faster drilling speed in low abrasive formations, but its use effect is not satisfactory in high abrasive and hard formations, which shows that the drill bit has a certain impact on the drilled ground. The nature of the formation is very sensitive. At present, there are many methods for determining the abrasiveness of rocks at home and abroad. The experimental materials include cores, cuttings, rock blocks, etc., and the grinding tools include c...