US 11,905,828 B1
Monitoring drilling conditions and estimating rock properties
Shilin Chen, Conroe, TX (US); Van Jordan Brackin, Conroe, TX (US); and Jonathan Kollar, Conroe, TX (US)
Assigned to Halliburton Energy Services, Inc., Houston, TX (US)
Filed by Halliburton Energy Services, Inc., Houston, TX (US)
Filed on Jul. 27, 2022, as Appl. No. 17/875,107.
Int. Cl. E21B 49/00 (2006.01); E21B 21/08 (2006.01); E21B 47/04 (2012.01); E21B 47/013 (2012.01)
CPC E21B 49/003 (2013.01) [E21B 21/08 (2013.01); E21B 47/04 (2013.01); E21B 47/013 (2020.05)] 22 Claims
OG exemplary drawing
 
1. A method comprising:
identifying a depth interval during a drilling operation as a distance between a first depth and a second depth;
measuring one or more drill bit responses within the depth interval using a sensor package disposed on a drill bit, wherein the drill bit comprises a shank, and wherein the sensor package is disposed in a recessed area of the shank in an exterior of the drill bit;
identifying one or more torsional bit vibrations within the depth interval from the one or more drill bit responses;
determining one or more bedding layers of the formation within the depth interval from the one or more torsional bit vibrations; and
identifying a confined compressive strength (CCS) for each of the one or more bedding layers using the one or more drill bit responses and the one or more torsional bit vibrations.