Page 47: of Offshore Engineer Magazine (Apr/May 2013)

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Drilling

Eyebrow

M-I Swaco gets SMART on displacements

M-I Swaco, a simulate displacements

Schlumberger utilizing actual informa- tion on well geometry,

Company, took OE casing, drill string dimen- on a tour of its new sions, and active mud

SMART 3D package of properties. With this data, integrated displacement engineers can design a services. Audrey Leon displacement to optimize elements such as contact reports from Houston.

time, fow regime and pump pressures.

M-I SWACO unveiled its A deepwater operator in

M

SMART 3D displacement Nigeria sought an alterna- package on February 28 tive to the displacement at the Houston Museum recommendations and of Natural Science, chemicals of the local pro- offering an integrated, vider that would reduce customizable package of both rig time and on-site mechanical, chemical, and inventory requirements. hydraulic displacement Previous displacements

M-I SWACO’s MultiBack tool (center) runs services provided by a required fve or more on the workstring to contact and clean single company. circulations before the 360-degrees of the casing’s inside diameter.

“Displacement opera- Nephelometric Turbidity tions are often marginal- Unit (NTU) was below ized because no single group owns series of tools that facilitate clean- 100, which was the operator’s crite- the operation,” the company says. up operations. M-I SWACO’s ria for a clean well.

With SMART 3D, M-I SWACO will BRISTLE BACK and RAZORBACK M-I SWACO recommended a service all aspects of displacement tools scrape and brush debris from DEEPCLEAN spacer train in con- so that the wellbore is properly pre- casing walls while the pipe runs in junction with the BRISTLEBACK pared for completion or production. the hole. The WELL SCAVENGER, and RAZORBACK mechanical well-

M-I SWACO developed its drilling introduced in 2011, cleans above bore cleanup tools. A multi-function fuid-to-brine displacement opera- FIVs and other critical areas during circulating tool was utilized to tions at its Houston Technology pre-production debris removal. increase circulation rates. The entire

Center. SMART 3D aims to reduce M-I SWACO’s range of solvent displacement was modeled in VCS non-productive time (NPT), risk and surfactant chemical spacers to ensure the proper fow regimes of formation damage, and cross- prevent incompatible synthetic- or and contact times could be achieved contamination of drilling fuids and oil-base drilling fuids and comple- within the limitations of the rig brines, both on- and offshore. tion brines from creating viscous equipment.

M-I SWACO says all displace- emulsions, which could jeopardize The well cleaned up just a few ments have three core dimensions: displacement. The DEEPCLEAN cubic meters after the spacers cleared fuid hydraulics, mechanical debris additive is a non-aqueous fuid the surface. NTU values were within removal, and chemical debris remov- cleaning agent that satisfes all the specifcation and the drill pipe was al. The company argues that 30% of requirements of a multiple-stage pulled out of the hole clean and failed completions result from poor displacement train with a single water-wet with no trace of residual debris management, where fuid or product. mud flm. More than 18 hours of rig drilling residue remains in the hole Additionally, M-I SWACO’s time was saved and on-site displace- after displacement. Virtual Completion Solutions (VCS) ment chemical inventory require-

At the heart of SMART 3D is a modeling software is designed to ments were cut in half. oedigital.com oedigital.com April 2013 | OEApril 2013 | OE 4949 d_c_2.indd 49 4/1/13 2:37 AM