Sierra; Leopoldo

Patent Applications and Registrations

Patent applications and USPTO patent grants for Sierra; Leopoldo.The latest application filed is for "method of enhancing proppant distribution and well production".

Company Profile

1.8.12

Sierra; Leopoldo - Houston TX
Sierra; Leopoldo - Kissimmee FL

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Method of enhancing proppant distribution and well production Grant 10,920,558 - Nguyen , et al. February 16, 2	2021-02-16
Method Of Enhancing Proppant Distribution And Well Production App 20210010360 - Nguyen; Philip D. ; et al.	2021-01-14
Propped fracture geometry with continuous flow Grant 10,808,515 - Sierra , et al. October 20, 2	2020-10-20
Ammonium Halide as Gelation Retarder for Crosslinkable Polymer Compositions App 20140224489 - Al-Muntasheri; Ghaithan A. ; et al.	2014-08-14
Methods of Enhancing Fracture Conductivity of Subterranean Formations Propped with Cement Packs App 20140144633 - Nguyen; Philip D. ; et al.	2014-05-29
Methods of Enhancing Fracture Conductivity of Subterranean Formations Propped with Cement Pillars App 20140144635 - Nguyen; Philip D. ; et al.	2014-05-29
Methods of Enhancing the Fracture Conductivity of Multiple Interval Fractures in Subterranean Formations Propped with Cement Packs App 20140144634 - Nguyen; Philip D. ; et al.	2014-05-29
Methods useful for controlling fluid loss in subterranean treatments Grant 8,631,869 - Sierra , et al. January 21, 2	2014-01-21
Method of improving waterflood performance using barrier fractures and inflow control devices Grant 8,307,893 - Sierra , et al. November 13, 2	2012-11-13
Method of Improving Waterflood Performance using Barrier Fractures and Inflow Control Devices App 20120160484 - Sierra; Leopoldo ; et al.	2012-06-28
Method useful for controlling fluid loss in subterranean formations Grant 8,181,703 - Sierra , et al. May 22, 2	2012-05-22
Method of improving waterflood performance using barrier fractures and inflow control devices Grant 8,104,535 - Sierra , et al. January 31, 2	2012-01-31
Ammonium Halide As Gelation Retarder For Crosslinkable Polymer Compositions App 20110214857 - AL-MUNTASHERI; GHAITHAN A. ; et al.	2011-09-08
Method of improving waterflood performance using barrier fractures and inflow control devices App 20110042083 - Sierra; Leopoldo ; et al.	2011-02-24
Methods for controlling water and sand production in subterranean wells Grant 7,493,957 - Nguyen , et al. February 24, 2	2009-02-24
Methods for controlling water and sand production in subterranean wells App 20070029087 - Nguyen; Philip D. ; et al.	2007-02-08
Methods for controlling water and sand production in subterranean wells App 20070012445 - Nguyen; Philip D. ; et al.	2007-01-18
Methods useful for controlling fluid loss in subterranean treatments App 20050199396 - Sierra, Leopoldo ; et al.	2005-09-15

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