Li Jiang

US Patent:

7658226, Feb 9, 2010

Filed:

Oct 20, 2006

Appl. No.:

11/551310

Inventors:

Murtaza Ziauddin - Richmond TX, US
Bhavani Raghuraman - Lexington MA, US
Li Jiang - Ridgefield CT, US
Xuefei Sun - Plano TX, US
Sebastien Fremont - Montrouge, FR
Ballard Andrews - Wilton CT, US
Robert Schroeder - Newtown CT, US
Stephen Hill - Pearland TX, US
Mahmuda Afroz - El Cerrito CA, US
Frank Espinosa - Richmond TX, US
Michael Orlet - Houston TX, US
John Lovell - Houston TX, US
Steve Davies - Sugar Land TX, US

Assignee:

Schlumberger Technology Corporation - Sugar Land TX

International Classification:

E21B 43/27
E21B 47/10

US Classification:

16625001, 7315229, 7315231, 7315239, 166 66, 1662523, 166281, 166384

Abstract:

Although the methods have been described here for, and are most typically used for, hydrocarbon production, fluid diversion measurement systems and methods are described. One method includes inserting a tubular tubing having one more fluid injection ports into a wellbore, injecting a treatment fluid through the injection port, and determining differential flow of the treatment fluid at one or more wellbore based on measuring the concentration of at least one particular component of a wellbore fluid located in the annulus formed between the wellbore and tubular; and using the measured parameters in realtime to monitor, control, or both monitor and control diversion of the fluid.

US Patent:

20120152544, Jun 21, 2012

Filed:

Dec 7, 2011

Appl. No.:

13/313482

Inventors:

Michael D. Parris - Richmond TX, US
Li Jiang - Katy TX, US
Don Williamson - Katy TX, US

International Classification:

E21B 43/27
C08F 8/00
C08B 37/00
C09K 8/60

US Classification:

166300, 507266, 507241, 507260, 507211, 507224, 507219, 507225, 507226, 5253303, 5253294, 5253282, 525337, 536114

Abstract:

Disclosed herein is a well treatment fluid comprising an aqueous solution comprising greater than or equal to about 1 wt % boron, at least 5 wt % of a co-solvent, and greater than or equal to about 5 wt % sodium hydroxide, potassium hydroxide, or a combination thereof, wherein the co-solvent comprises glycerol, ethylene glycol, propylene glycol, or a combination thereof. Methods of using the well treatment fluid are also disclosed.

US Patent:

20120245060, Sep 27, 2012

Filed:

Mar 8, 2012

Appl. No.:

13/414864

Inventors:

Li Jiang - Katy TX, US
Michael D. Parris - Richmond TX, US
Richard D. Hutchins - Sugar Land TX, US
Javier Sanchez Reyes - Katy TX, US
Christina D. Martin - Channelview TX, US

International Classification:

C09K 8/62
B82Y 30/00

US Classification:

507215, 507217, 507216, 507214, 977773

Abstract:

A method of forming a wellbore fluid, the method including introducing a hydratable polymer and introducing a crosslinker comprised of at least a silica material, the crosslinker having a dimension of from about 5 nm to about 100 nm.

US Patent:

20120290208, Nov 15, 2012

Filed:

May 10, 2011

Appl. No.:

13/104388

Inventors:

Li Jiang - Sugar Land TX, US
Timothy G.J. Jones - Cambridgeshire, GB
Roy Koveleski - Danbury CT, US
Albert Perez, JR. - Cambridge MA, US

Assignee:

Schlumberger Technology Corporation - Cambridge MA

International Classification:

G01V 5/04
G01J 5/02
G06F 19/00

US Classification:

702 8, 702 24, 2503418, 25033911, 2502691

Abstract:

A sensing apparatus (and corresponding method) for monitoring carbon dioxide dissolved in a liquid solution employs a crystal surrounded in part by a sample chamber such that, in use, the liquid solution is in direct contact with the crystal.

US Patent:

20230103668, Apr 6, 2023

Filed:

Oct 5, 2022

Appl. No.:

17/960186

Inventors:

- Houston TX, US
Li JIANG - Katy TX, US

Assignee:

BP Corporation North America Inc. - Houston TX

International Classification:

G01V 1/30
G01V 1/137
G01V 1/38
G01V 1/18
G01V 1/28

Abstract:

A method for generating a high-resolution pseudo-reflectivity image of a subsurface region includes receiving seismic data associated with a subsurface region and captured by one or more seismic receivers, constructing a velocity model of the subsurface region based on the received seismic data, performing a seismic migration of the received seismic data based on the constructed velocity model to obtain migrated seismic data, computing polarized normal vectors associated with one or more subsurface reflectors of the subsurface region based on the migrated seismic data, and generating a pseudo-reflectivity image of the subsurface region based on both the computed polarized normal vectors.

US Patent:

20210165123, Jun 3, 2021

Filed:

Jan 12, 2021

Appl. No.:

17/147099

Inventors:

- Sugar Land TX, US
Sheng Chao - Cambridge, GB
Timothy Jones - Cambridgeshire, GB
Nathan Lawrence - Huntingdon, GB
Rolf Rustad - Radal, NO
Li Jiang - Katy TX, US
Steven Gahlings - Cambridgeshire, GB

International Classification:

G01V 8/10
G01N 21/3504
G01N 33/00
G01N 21/3577
G01N 21/552
E21B 49/08
G01N 21/15

Abstract:

A sensor for monitoring COin a fluid regardless of the phase properties of the fluid, i.e., regardless of whether the fluid contacting the window is a liquid water-based phase, a liquid oil-based phase, a mixture of liquid water and liquid oil-based phases, or a gas phase. The sensor includes an internal reflection window for contacting with the fluid. A mid-infrared light source directs a beam of mid-infrared radiation into the window and the beam is internal reflected at an interface between the window and the fluid. The reflected beam is passed through three narrow bandpass filters which preferentially transmit mid-infrared radiation over bands of wavelengths corresponding to absorbance peaks of water, oil and CO. The amount of COis determined from the intensities of the mid-infrared radiation passing through the three filters.

US Patent:

20200271617, Aug 27, 2020

Filed:

May 11, 2020

Appl. No.:

16/871735

Inventors:

- Sugar Land TX, US
Debbie S. Silvester - Perth, AU
Li Jiang - Katy TX, US
Hanpu Liang - Cambridge, GB
Nathan Lawrence - Huntingdon, GB
Richard Compton - Oxford, GB

International Classification:

G01N 27/404
B01J 19/24
E21B 49/08
G01N 27/30
G01N 27/40
G01N 27/416
G01N 27/49
H01M 8/0438
H01M 8/1018

Abstract:

A process for determining a content of hydrogen in a fluid medium includes contacting the fluid medium with a sensor. The sensor has a housing enclosing a chamber containing an ionic liquid electrolyte, a window which is permeable to hydrogen and positioned in an opening in the housing, and electrodes in contact with the ionic liquid electrolyte in the chamber. Hydrogen is allowed to pass through the window from the fluid medium into the electrolyte and the sensor is heated. Temperature and pressure of the fluid medium is determined and electrical potential is applied to the electrodes. The method also includes measuring current flow. The sensor can be used to observe hydrogen concentration by voltammetry. The method and sensor may be used for measuring downhole hydrogen content, monitoring fiber-optic cables for damage by hydrogen, corrosion monitoring, and in small-scale process plants where hydrogen is part of a gas stream.

US Patent:

20180231684, Aug 16, 2018

Filed:

Sep 9, 2015

Appl. No.:

15/511336

Inventors:

- Sugar Land TX, US
Nathan Lawrence - Cambridge, GB
Go Fujisawa - Sagamihara, JP
Sheng Chao - Cambridge, GB
Li Jiang - Sugar Land TX, US

International Classification:

G01V 8/14
G01N 21/3577
G01N 21/552
G01N 21/15
G01N 21/3504
G01N 33/00
E21B 49/08

Abstract:

A sensor is provided for monitoring a mineral acid dissolved in a liquid. The sensor includes an internal reflection window which, in use, is in direct contact with the liquid. The sensor further includes a mid-infrared light source which directs a beam of mid-infrared radiation into said window for attenuated internal reflection at an interface between the window and the liquid. The sensor further includes a first narrow bandpass filter which preferentially transmits mid-infrared radiation over a band of wavelengths corresponding to an absorbance peak of the dissolved mineral acid to filter internally reflected mid-infrared radiation received from the window. The sensor further includes an infrared detector which detects filtered mid-infrared radiation transmitted through the first filter. The sensor further includes a processor arrangement, operably coupled to the infrared detector, which measures the intensity of the detected mid-infrared radiation transmitted through the first filter, and determines therefrom an amount of the mineral acid dissolved in the liquid.