US 12,291,964 B2
Method for real-time interpretation of pressure transient test
Nikita Chugunov, Arlington, MA (US); Sukru Sarac, Al-Khobar (SA); Kirsty Morton, Cambridge, MA (US); Fikri Kuchuk, Cambridge, MA (US); Terizhandur S. Ramakrishnan, Boxborough, MA (US); and Stephane Vannuffelen, Cambridge, MA (US)
Assigned to SCHLUMBERGER TECHNOLOGY CORPORATION, Sugar Land, TX (US)
Filed by Schlumberger Technology Corporation, Sugar Land, TX (US)
Filed on May 24, 2023, as Appl. No. 18/182,532.
Application 18/182,532 is a continuation of application No. 16/034,386, filed on Jul. 13, 2018, granted, now 11,603,740.
Claims priority of provisional application 62/532,063, filed on Jul. 13, 2017.
Prior Publication US 2023/0279774 A1, Sep. 7, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. E21B 49/00 (2006.01); E21B 41/00 (2006.01); E21B 47/06 (2012.01)
CPC E21B 49/008 (2013.01) [E21B 41/00 (2013.01); E21B 47/06 (2013.01); E21B 49/005 (2013.01); G01V 2210/624 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A method for predicting future production from a well, the method comprising:
obtaining pressure measurements of well fluid during a pressure transient test;
using the obtained pressure measurements to determine, through inversion and while continuing the pressure transient test, probabilistic estimates of input parameters of a pressure transient reservoir model;
estimating future production from the well based on the probabilistic estimates of the input parameters of the pressure transient reservoir model determined through inversion; and
terminating the pressure transient test in response to a determination that uncertainty in the estimated future production is below a predefined threshold value.