Post Header Image

Cement Spacer Technology Cures Lost Circulation and Improves CBL Results

Cement Spacer Technology Cures Lost Circulation and Improves CBL Results

Congreso Mexicano del Petróleo Co-Authored Paper with BAKER HUGHES


Many factors differentiate deep-water cementing operations from shallow-water cementing operations. Some of these factors are: 

• Narrow window between frac and pore pressures – in many complicated cementing jobs, as the cement column begins to enter the annular space, the equivalent circulating density (ECD) approaches or exceeds the frac gradient. In these cases, low-density fluids are commonly used to prevent induced losses. 

• Naturally fractured formations – technology is crucial to achieve a successful cementing job in lost circulation zones. 

• Temperature – due to the high extension of water depth, low temperature gradients affect the behavior and properties of the fluids. 

• Hydrostatic pressures – proportional to the water depth, the hydrostatic pressure exerted over the fluids in the well increases. 

Lost circulation is a major problem often encountered while drilling and cementing wells. Lost circulation events can generate mud loss, hole instability, and an increase in rig time. All of these circumstances increase non-productive time (NPT) and overall rig costs. 

This website uses cookies to help us understand how our site is used and improve the user experience. By using our site, you consent to the use of cookies. To learn more or manage your cookie preferences, please see our privacy policy.