US 12,012,853 B2
Formation testing and sampling tool for stimulation of tight and ultra-tight formations
Wael Soliman Elhawary, Dhahran (SA); Mustapha Berkane, Dhahran (SA); Ghulam Jeelani, Dhahran (SA); Colin Douglas Tisdale, Dhahran (SA); Mahmoud Eid Selim, Dhahran (SA); and Endurance Oziegbe Ighodalo, Dhahran (SA)
Assigned to Halliburton Energy Services, Inc., Houston, TX (US); and Saudi Arabian Oil Company, Dhahran (SA)
Filed by Halliburton Energy Services, Inc., Houston, TX (US); and Saudi Arabian Oil Company, Dhahran (SA)
Filed on Apr. 3, 2023, as Appl. No. 18/130,316.
Application 18/130,316 is a division of application No. 17/184,296, filed on Feb. 24, 2021, granted, now 11,649,724.
Claims priority of provisional application 63/044,191, filed on Jun. 25, 2020.
Prior Publication US 2023/0235666 A1, Jul. 27, 2023
Int. Cl. E21B 49/10 (2006.01); E21B 33/127 (2006.01); E21B 43/26 (2006.01); E21B 47/06 (2012.01); E21B 49/00 (2006.01)
CPC E21B 49/008 (2013.01) [E21B 33/127 (2013.01); E21B 43/26 (2013.01); E21B 47/06 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method for collecting a fluid sample comprising:
disposing a fluid sampling tool into a well;
moving the fluid sampling tool to a zone of interest;
isolating the zone of interest with a packer assembly on the fluid sampling tool;
injecting a first stimulation fluid through a first exhaust port to contact a face of a formation;
removing a mud disposed between the fluid sampling tool and the face of the formation with a second exhaust port, wherein the first stimulation fluid replaces the mud;
exposing the face of the formation to the first stimulation fluid for a soaking period;
injecting a second stimulation fluid into the formation; and
performing a sampling process.