Mohammed T Rupawalla

US Patent:

20070032994, Feb 8, 2007

Filed:

Aug 2, 2005

Appl. No.:

11/195416

Inventors:

Stephen Kimminau - Sudbury, GB
John Ratulowski - Missouri City TX, US
Mohammed Rupawalla - Sugar Land TX, US

International Classification:

G06G 7/48

US Classification:

703010000

Abstract:

A system and method is provided for assuring adequate flow in one or more wells. The system and method utilize a sensor system and a modeling technique that provides simple outputs readily usable by a non-specialist wellbore operator.

US Patent:

20080120036, May 22, 2008

Filed:

May 27, 2005

Appl. No.:

11/571829

Inventors:

Stephen J. Kimminau - Sudbury, GB
Mohammed Rupawalla - Sugar Land TX, US
Kashif Rashid - Middlesex, GB
David Michael Hargreaves - Cambridge, GB
Cyril Lagrange - Missouri City TX, US

Assignee:

Schlumberger Technology Corporation - Sugar Land TX

International Classification:

G01F 1/688

US Classification:

702 12

Abstract:

One aspect of the invention relates to a method () for characterising a well () using distributed temperature sensor (DTS) data to optimise a well model (). The method comprises providing a well model of flow and thermal properties () of the well (), where the well model () has a plurality of adjustable physical parameters, providing a data set made up of a plurality of DTS temperature profiles of the well () taken at different times during operation of the well (), and running the well model () with different combinations of the plurality of adjustable physical parameters to match to the plurality of DTS temperature profiles. The DTS temperature profiles may also be pre-processed to make them consistent with one another.