US 11,946,346 B2
Gravel packing leak off system positioned across non-perforated coupling region
Michael Dean Langlais, Houston, TX (US); and Julien Debard, Houston, TX (US)
Assigned to Schlumberger Technology Corporation, Sugar Land, TX (US)
Appl. No. 17/431,497
Filed by Schlumberger Technology Corporation, Sugar Land, TX (US)
PCT Filed Feb. 20, 2020, PCT No. PCT/US2020/019117
§ 371(c)(1), (2) Date Aug. 17, 2021,
PCT Pub. No. WO2020/172466, PCT Pub. Date Aug. 27, 2020.
Claims priority of provisional application 62/807,812, filed on Feb. 20, 2019.
Prior Publication US 2022/0136372 A1, May 5, 2022
Int. Cl. E21B 43/08 (2006.01); E21B 43/04 (2006.01)
CPC E21B 43/04 (2013.01) [E21B 43/08 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A system for use in a well, the system comprising:
a completion having:
a lower filter;
an upper filter;
a blank pipe section located between the lower filter and the upper filter;
a bracket mounted about the blank pipe section at a first filter comprising one of the upper filter or the lower filter;
a manifold mounted about the blank pipe section at a second filter comprising the other one of the upper filter or the lower filter; and
a leak off tube system, the leak off tube system comprising:
a fixed leak off tube mounted to the bracket and extending at least partially along the first filter; and
a slidable leak off tube slidably mounted in the manifold, the slidable leak off tube having an engagement end configured to:
slide along the blank pipe section toward the fixed leak off tube;
engage the bracket once the slidable leak off tube is slid a sufficient distance toward the fixed leak off tube to be in fluid communication with the fixed leak off tube; and
extend at least partially along the second filter after the engagement end is engaged with the bracket.