US 12,276,166 B2
Device for preventing abrupt blockage in blooie line of gas drilling
Hongtao Li, Chengdu (CN); Yingfeng Meng, Chengdu (CN); Gao Li, Chengdu (CN); and Yijian Chen, Chengdu (CN)
Assigned to SOUTHWEST PETROLEUM UNIVERSITY, Chendu (CN)
Filed by Southwest Petroleum University, Chengdu (CN)
Filed on Aug. 9, 2023, as Appl. No. 18/446,810.
Claims priority of application No. 202210956942.1 (CN), filed on Aug. 10, 2022.
Prior Publication US 2024/0052713 A1, Feb. 15, 2024
Int. Cl. E21B 21/16 (2006.01); E21B 21/01 (2006.01); E21B 21/06 (2006.01); E21B 21/07 (2006.01)
CPC E21B 21/16 (2013.01) [E21B 21/011 (2020.05); E21B 21/065 (2013.01); E21B 21/07 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A device for preventing abrupt blockage in a blooie line of a gas drilling system, comprising:
a sand-storing tank body, connected to a rotating blowout preventer through a guiding tube;
a guiding three-way joint, set between the guiding tube and said sand-storing tank body, the guiding three-way joint connected to the blooie line by a vertical guiding tube, wherein said sand-storing tank body is connected to the blooie line by means of a gas discharge tube; and
a flap plate assembly, arranged inside the sand-storing tank body in fluid communication with the guiding three-way joint, and configured to open to allow rock particles in the guiding tube to enter the sand-storing tank body.