Application

16752651 · AUTOMATIC DIAGNOSIS METHOD FOR WELLHEAD PRESSURE CURVE OF HYDRAULIC FRACTURING IN SHALE GAS HORIZONTAL WELL

Filed 2020-01-26 · Granted · Patent 10689972 (2020-06-23) The official file ↗The patent and its PDF ↗ · Art unit 2865 · Examiner Bryan Bui Easy · CPC E21B 47/06 · Southwest Petroleum University · DING YU TAN

Office actions

first was Non-final rejection

RCEs

no appeal

To first action

1.7 mo

to disposition 4.9 mo

Statutes raised

101 112

2 actions read

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