Inventor · disambiguated record
Leopoldo Sierra
Also filed as: SIERRA LEOPOLDO
7 granted patents·6 pending applications·80 citations·filing 2005–2019
85Inventor score
Files withHALLIBURTON ENERGY SERV INC6SIERRA LEOPOLDO4HALLIBURTON ENERGY SERVICES INC2NGUYEN PHILIP D1
Top patents by PatentIndex Score
13 records- 0192US10808515B1Propped fracture geometry with continuous flowHALLIBURTON ENERGY SERVICES INC·Filed 2019·Granted Oct 20, 2020·8 cites·18 claims
- 0290US8307893B2Method of improving waterflood performance using barrier fractures and inflow control devicesSIERRA LEOPOLDO·Filed 2011·Granted Nov 13, 2012·14 cites·20 claims
- 0389US10920558B2Method of enhancing proppant distribution and well productionHALLIBURTON ENERGY SERVICES INC·Filed 2019·Granted Feb 16, 2021·4 cites·19 claims
- 0487US7493957B2Methods for controlling water and sand production in subterranean wellsHALLIBURTON ENERGY SERV INC·Filed 2005·Granted Feb 24, 2009·27 cites·19 claims
- 0580US8104535B2Method of improving waterflood performance using barrier fractures and inflow control devicesSIERRA LEOPOLDO·Filed 2009·Granted Jan 31, 2012·18 cites·23 claims
- 0677US8181703B2Method useful for controlling fluid loss in subterranean formationsSIERRA LEOPOLDO·Filed 2006·Granted May 22, 2012·7 cites·21 claims
- 0761US8631869B2Methods useful for controlling fluid loss in subterranean treatmentsSIERRA LEOPOLDO·Filed 2005·Granted Jan 21, 2014·2 cites·8 claims
- 0857US2014224489A1Ammonium Halide as Gelation Retarder for Crosslinkable Polymer CompositionsHALLIBURTON ENERGY SERV INC·Filed 2014·Application pending·0 cites
- 0949US2011214857A1Ammonium halide as gelation retarder for crosslinkable polymer compositionsHALLIBURTON ENERGY SERV INC·Filed 2010·Application pending·0 cites
- 1045US2014144633A1Methods of Enhancing Fracture Conductivity of Subterranean Formations Propped with Cement PacksHALLIBURTON ENERGY SERV INC·Filed 2012·Application pending·0 cites
- 1142US2014144634A1Methods of Enhancing the Fracture Conductivity of Multiple Interval Fractures in Subterranean Formations Propped with Cement PacksHALLIBURTON ENERGY SERV INC·Filed 2012·Application pending·0 cites
- 1242US2014144635A1Methods of Enhancing Fracture Conductivity of Subterranean Formations Propped with Cement PillarsNGUYEN PHILIP D·Filed 2012·Application pending·0 cites
- 1339US2007029087A1Methods for controlling water and sand production in subterranean wellsHALLIBURTON ENERGY SERV INC·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →