US 11,719,054 B2
Automated drilling advisory and control system
Mohammed Murif Al-Rubaii, Dammam (SA); Abdullah Saleh Hussain Al-Yami, Dhahran (SA); Salem H. Al Gharbi, Dammam (SA); and Arturo Magana Mora, Dhahran (SA)
Assigned to Saudi Arabian Oil Company, Dhahran (SA)
Filed by Saudi Arabian Oil Company, Dhahran (SA)
Filed on May 23, 2019, as Appl. No. 16/421,107.
Prior Publication US 2020/0370381 A1, Nov. 26, 2020
Int. Cl. E21B 21/08 (2006.01); E21B 44/06 (2006.01); E21B 45/00 (2006.01); E21B 47/08 (2012.01); G01N 33/28 (2006.01); E21B 21/00 (2006.01); E21B 44/00 (2006.01)
CPC E21B 21/08 (2013.01) [E21B 21/00 (2013.01); E21B 44/06 (2013.01); E21B 45/00 (2013.01); E21B 47/08 (2013.01); G01N 33/2823 (2013.01); E21B 44/00 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A computer-implemented method, comprising:
obtaining, in real-time from one or more sensors of a drilling system, real-time drilling data of a drilling operation of drilling a wellbore;
using the real-time drilling data to calculate a carrying capacity index (CCI) of a drilling fluid and a cutting concentration in an annulus (CCA) of the wellbore;
determining that at least one of the CCI and the CCA is outside a respective range;
determining a corrective action to adjust the at least one of the CCI and the CCA to be within the respective range, wherein determining the corrective action comprises:
(i) determining that the CCI is less than a first predetermined value, wherein the first predetermined value is an upper bound of the respective range of values for the CCI,
(ii) determining that the CCA is less than or equal to a second predetermined value, wherein the second predetermined value is a lower bound of the respective range of values for the CCA,
(iii) determining whether a transport ratio, TR, of the drilling fluid is greater than or equal to a third predetermined value,
(iv) if the TR is less than the third predetermined value, determining that the corrective action is to increase the transport ratio to be greater than the third predetermined value, and
(iv) if the TR is greater than or equal to the third predetermined value, determining whether a flow rate of the drilling fluid is greater than or equal to a predetermined optimum flow rate, and
if the flow rate of the drilling fluid is less than the predetermined optimum flow rate, determining that the corrective action is to increase the flow rate of the drilling fluid to be greater than or equal to the predetermined optimum flow rate; and
performing the corrective action, wherein performing the corrective action comprises controlling the drilling system to adjust one or more drilling parameters that affect the at least one of the CCI and the CCA.