![Steve Craig photo](https://assets.spe.org/dims4/default/9c3a1d3/2147483647/strip/true/crop/150x150+0+0/resize/200x200!/quality/90/?url=http%3A%2F%2Fspe-brightspot.s3.us-east-2.amazonaws.com%2Fbd%2F38%2Fe550ffde4bf5a1b71bd776f98d0b%2Fsteve-craig-2021.jpg)
![Steve Craig photo](https://assets.spe.org/dims4/default/9c3a1d3/2147483647/strip/true/crop/150x150+0+0/resize/200x200!/quality/90/?url=http%3A%2F%2Fspe-brightspot.s3.us-east-2.amazonaws.com%2Fbd%2F38%2Fe550ffde4bf5a1b71bd776f98d0b%2Fsteve-craig-2021.jpg)
-
HCl acid stimulation of carbonate production requires the retardation of the HCl-carbonate rock reaction to achieve the optimum balance between total fluid used and the enhancement of well production. The described investigation was done offshore Sarawak using Indiana Limestone cores.