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Permian Basin 2018

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PERMIAN BASIN: TECHNOLOGY 38 | October 2018 | hartenergy.com Now, is it cheap? No. It is expensive, but because we are utilizing the physics of nanoparticles we're able to reduce and in some cases eliminate other chem- icals that we historically would have run in our stimulation fl uids, resulting in a pseudo net neutral cost. I am really impressed with the technology. We will continue to refi ne the use of nanoparticles in our stimulation treatments." Approach started using smaller sand particles in its mix of stimulation sand back in 2012 and experienced positive gains, but it was still facing fl uid production drop-off once the wells were online for a while. The company suspected that the micro-fractures created by the frack job were getting water or fl uid blocked by capillary pressure effects as a result of probable fi ne migration and normal pressure depletion within the fracture net- work. Water and oil molecules are big as compared to the smaller, more nimble gas molecule. While gas can get through the micro- and nano-fractures with little effort, fl uids often times cannot. "The silica particles are very small; one grain of frack sand is roughly one millimeter in size, it would take roughly 90,000 silica nanoparticles to equal one sand grain," Craft said. "There are numerous types of nanoparticles and sizes and each type of particle has unique physical proper- ties. Larger metal oxide particles tend to reduce fi ne migration within the fracture network due to their surface area. The smaller lab-created silica nanoparticles tend to be superior for accelerating the mobility of fl uids within the formation. Some particles are showing promise in heavy oil EOR projects. Currently we have about a year and a half of production data on wells utilizing metal oxide particles, and roughly six months of data on wells utilizing silicon dioxide particles. The data we have collected is encouraging. We're not the only E&P company experimenting with nanoparticles." The center of the universe Weatherford President and CEO Mark McCollum told attendees at the Weatherford Technology Event last April that, in many industry circles, the Permian Basin is referred to as "the center of the universe." It is not a diffi cult analogy to connect with. From investment levels, project opportuni- ties and shear manpower, the venerable West Texas oil basin has likely never been as scrutinized by as many industry players as it has over the past half-decade. Weatherford, knowing that robust potential and favorable economics could equal long-term demand for services, invested in a super- center facility that will consolidate its expertise in Odessa, Texas. The facility combines the contrac- tor's technology and solutions across many of its product lines to increase effi ciency and enhance service quality for its customers. It's an important step given the unique demands the basin requires. "Our customers have encountered multiple challenges when drilling wells in the Permian Basin, which in turn creates the demand for unique solu- tions," said Michael Guajardo, area sales manager, Permian Basin/San Antonio for Weatherford. "When drilling, many customers have experienced a water fl ow zone and a depleted zone in the same borehole, which results in opposite issues. Wells like this complicate the drilling process and chal- lenge us to engineer various solutions, such as our managed pressure drilling, drilling with casing and solid-expandable liners. In production, our custom- ers face issues with decline rates and fl ow assurance. These production issues are more aggressive in the Permian Basin than other plays." To assist operators with some of the more common challenges in the Permian, Weatherford has introduced an array of new offerings into the basin covering everything from rotary steer- ables, minimal frack plugs as well as production data-gathering technologies. "Our Magnus rotary steerable system (RSS) is a new drilling technology that enables reaching total depth [TD] in extended-reach laterals where conventional systems have exceeded the technical limit," Guajardo said. "After a hole is drilled conven- tionally, our Magnus RSS can continue drilling the lateral to TD while optimizing weight transfer and eliminating sliding. A new completions technology, the Minima composite frack plug, is one of the shortest plugs in the industry. The plug provides superior performance and mills up in as little as fi ve minutes. In the fi eld of production, we offer the Surface Pumping Unit Reliability (SPUR) Mobile App, which enables service crews to log and create

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