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Innovating While Drilling

Rotary steerable designed for North American pad drilling features digital control, drilling dynamic sensors


At the 2018 IADC/SPE Drilling Conference in Fort Worth, Texas, on 6 March, Scout Downhole unveiled its new Rotary Steerable Scout technology. The RSS features the mechanical framework of the company’s Vertical Scout rotary steerable, with added digital controls by Sanvean Technologies. In this video from the conference, Steve Jones, President of Sanvean Technologies, explains how the digital controls and drilling dynamic sensors were added to the tool and how these additions impact its performance. He also discusses a testing program that took place in West Texas to prove the reliability of the new RSS...

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Hybrid drill bit with recessed cutters, increased blade counts designed to dig beyond the curve


Since launching the original Kymera hybrid drill bit in 2011, Baker Hughes, a GE company, has been expanding the bit’s capabilities. The latest iteration, the Kymera Mach 4, was launched in early 2018 and has been designed to drill every section of the well at a high rate of penetration (ROP) with low wear and tear. BHGE increased the blade count on the bit, improving lateral stability and reducing damage and wear on the bit, Shelly Cory, Kymera Product Line Manager, explains in this video from 6 March at the 2018 IADC/SPE Drilling Conference in Fort Worth, Texas. She also discusses how new recessed cutters help improve cuttings evacuation and contribute to extended bit life. Further, she outlines how the bit has enabled increased ROPs and saved bit runs in Oman and the Permian...

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Economics, additional value must be considered before deploying 3D printing


As additive manufacturing, or 3D printing, technologies evolve, the oil and gas drilling industry is increasingly exploring potential applications and benefits, such as less time to market and faster deployment of design changes. The technology can also be valuable when it comes to time-critical part replacements, said Dietmar Reicht, Head of Future Markets for the Special Steel Division at steel-based technology and capital goods group voetsalpine. Mr Reicht was among five panelists at the plenary session at the 2018 IADC/SPE Drilling Conference in Fort Worth, Texas, on 7 March. However, despite the many possible benefits, companies should only pursue 3D printing when it provides added value, he cautioned. Watch DC Managing Editor Linda Hsieh’s interview with Mr Reicht to learn more...

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Shell addresses human factors, technology limits to deploy MPD on exploratory HPHT campaign

A first attempt to deploy MPD in the exploratory HPHT drilling campaign ended with a significant kick incident.

The first deployment of a managed pressure drilling (MPD) application in an exploratory high-pressure and high-temperature (HPHT) drilling campaign in the Niger Delta was truncated by a significant kick incident. The plan for the MPD deployment entailed drilling the HP interval with a bottomhole pressure (BHP) or set point that is equivalent to the maximum pore pressure prognosis...

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Integration enables deepwater MPD solution with a single control system

The industry’s first complete deepwater MPD solution, from reservoir to flare stack, effectively minimizes rig footprint while maximizing drilling efficiency and versatility. Image courtesy of Stena Drilling and Schlumberger.

Schlumberger has introduced the industry’s first complete deepwater MPD integrated solution that uses only one control system and requires fewer personnel to operate. The system features a riser joint – including a rotating control device (RCD), a slim-line annular blowout preventer and flow spool – that weighs just over 80,000 lb and measures 40-ft long, making it the shortest and lightest available on the market, according to Bas Liezenberg, DPM Deepwater Product Champion, M-I SWACO, a Schlumberger company. “Our goal was to reduce the total cost of ownership,” he said...

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Drill bit innovations target major barriers to ROP, durability

BHGE’s Dynamus drill bit was designed to extend the life of the bit, as well as the BHA, by reducing vibration. It incorporates two technologies that had been developed but not yet deployed: the StayTrue diamond elements and StayCool 2.0 cutters. Since its launch in summer 2017, the Dynamus bit has been run in the Permian, Eagle Ford, SCOOP, STACK, Bakken, Niobrara, Marcellus, Saudi Arabia, Kuwait, Canada and Oman, as well as in the North Sea and Gulf of Mexico.

Although a drill bit is but one component of a large and complex drilling system, it can have an outsized impact on the efficiency of a drilling operation. “While the amount of money spent on drill bits may be less than 1% of the total cost of the well, it can really be argued that no single component contributes more to the overall drilling performance,” said Wiley Long, Bits and Drilling Tools Product Champion at Smith Bits, a Schlumberger company...

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Digital solutions guide path to better accuracy in directional drilling

Schlumberger’s abbl drilling operations advisor service leverages real-time downhole and surface data to recommend steering instructions to guide the bit along the well plan. It also provides objective slide feedback, such as direction, length, toolface control, motor output and rotary tendencies, while steering operations are executed. Photo Courtesy of Schlumberger.

The global directional drilling services market has taken a big hit during this downturn. In terms of market value, directional drilling fell from $16.55 billion in 2014 to $10.95 billion in 2015, then shrank further in 2016 to just $6.71 billion. Most of these reductions were brought about by project cancellations in the low oil price environment, according to Rajashekar Lokam, Research Analyst at Mordor Intelligence...

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MPD vs underbalanced drilling: 10 ways they differ in operational strategy and implementation

Figure 1: Several different types of unconventional drilling techniques (UDTs) exist. The UDT equipment suite negates the conventional drilling mud circulation. Drilling fluid in UDTs can also be either single- or multiphase.

The petroleum drilling industry drills many well sections using some type of unconventional drilling technique (UDT). A drilling operation is a UDT if it does not follow the conventional drilling method as done in the majority of cases. Conventional drilling utilizes a single-phase drilling fluid, which works on the premise of keeping an overbalanced pressure at the sand face. It discourages influx from a reservoir while drilling or when drilling stops for any other operation. Conventional drilling is also an open-loop operation, where the returned fluid from the well is directed to a flowline that is open to atmosphere...

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