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Innovating While Drilling®

Halliburton introduces Well Construction 4.0 platform to facilitate connectivity, collaboration

Halliburton is launching what it calls Well Construction 4.0 to allow operators to minimize planning cycle times, reduce drilling costs and accelerate critical decision making, among other goals. Speaking at the 2019 SPE/IADC International Drilling Conference in The Hague on 6 March, Moray Laing, Director of Digital Solutions at Halliburton, discussed how Well Construction 4.0 merges cyber-physical systems, the internet of things, cloud computing and artificial intelligence to provide better risk mitigation and drilling efficiency. In this video with DC, Mr Laing explains how the technology facilitates greater connectivity and collaboration and the challenges in implementing Well Construction 4.0.

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Digital twins help to address the relationship of data within a system

Industry interest in digital twins – the virtual representation of an asset, system or process – continues to grow, not just as a tool for modeling an asset but for managing systems of data and how they relate to one another. These “twins” also help keep the relationship between data over a system, helping them stay connected to each other. In this video from a 4 March workshop held jointly by the IADC Advanced Rig Technology Committee and the SPE Drilling Systems Automation Technical Section (DSATS) in The Hague, Sean McKenna, Senior Research Manager with IBM, discusses recent applications of digital twins and explains how knowledge graphs work.

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North Sea HPHT case study: Monitoring of underreamer function status confirms in-gauge hole

Monitoring system helps Total to improve certainty around underreamed hole diameter By Tom Huggett, National Oilwell Varco; Mohammad Alahmad and Oliver Eatough, Total Underreaming tools are frequently needed in challenging applications, such as to facilitate running expandable liners, but underreaming operations can frequently leave uncertainty on final hole diameter. National Oilwell Varco (NOV) developed the IQ underreamer monitoring system to remove this uncertainty by monitoring cutter block position, wear and vibration, data that could be used in post-run drilling analyses as part of an optimization plan for future wells. The system also records downhole drilling dynamics at the underreamer, which means the system can determine, via memory data, the actual underreamer expansion size at any point during the run, allowing ...

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Hybrid system taps benefits of both MPD, underbalanced drilling, opens new horizons in southern Pakistan

Application of hybrid system allows operator to drill through, case off complicated sequence of formations without need for additional casing string By Qasim Ashraf, Weatherford International The northern Pothohar plateau of Pakistan is known to bear significant oil and gas reserves. Due to severe geological uncertainties, the area exhibits the most challenging drilling conditions in the region. The subject field is located in the southern part of the Pothohar plateau. Drilling challenges of severe loss circulation, high-pressure water influxes, low rate of penetration (ROP), simultaneous loss/gain issues and depleted reservoir formations are the most common problems experienced in the area. The subject well was a reentry well where the objective of the operator was to drill and produce the deeper ...

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Well maintained

Automated, integrated equipment, more powerful diagnostics and wireline renaissance boost intervention efficiency By Katie Mazerov, Contributing Editor As sure as the sun rises and sets each day, all oil and gas wells will, at some point, need an intervention to maintain or boost production. From basic drill-out and cleanout operations using wireline, coiled tubing or a snubbing unit, to full-scale workovers to remove and reinstall the wellhead to replace downhole equipment, well intervention is a fact of life in the oilfield. It is also becoming more critical as operators drill deeper and longer in hotter and more pressurized environments. Equipment that is often automated and integrated, specialty services to meet the rigor of today’s well environments, new wireline applications, and ...

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New-generation shaped cutter elements expand capabilities of PDC bits to boost ROP, efficiency

Performance proven through case studies spanning Russia, Colorado’s DJ Basin, Marcellus and Colombia By Wiley Long, Smith Bits, a Schlumberger company Since it was introduced to the oilfield more than 40 years ago, the polycrystalline diamond compact (PDC) bit has emerged as one of the most significant step-changes in drilling tool technology. Continuing advances in the material properties and manufacturing processes used to fabricate the cutting structures of the bit have enabled the industry to tap into formations once deemed drillable only with roller cone bits, simultaneously improving average rates of penetration (ROP) by 60%. This evolution in performance has elevated the PDC bit to a position of global dominance, giving operators the ability to expand into new frontiers, including ...

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Rethinking approach to testing, design of MPD choke control systems may lead to simplification

Industry also would benefit from standardizing, benchmarking choke control systems for choke characteristic response with two-phase flow By Babak Akbari, Louisiana State University As Managed Pressure Drilling (MPD) techniques start to mature, systems developed to control one of the most important components of the system – the choke valve – become the leading edge insofar as the ability to control the annulus pressure profile. Given the increasingly narrow and challenging pressure windows, particularly those encountered in deepwater, the importance of precise and repeatable control of annulus pressure becomes paramount. Figure 1 illustrates a general paradigm for MPD choke control. Choke control systems, basically process control valves, have been around for some time, especially in the downstream segment. However, depending on ...

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BHGE introduces lightweight, non-composite conventional frac plug

A new conventional frac plug constructed completely from an engineered alloy is 70% lighter than conventional material. The MILLITE plug, just released by BHGE, cleans up and mills out smoother than any other conventional plug on the market, said Stacey Meredith, Frac Plug Product Line Manager with BHGE. It offers something completely new to the industry. With a specific gravity of 1.8, the fine debris floats out of the well without additional cleaning or costly chemicals. At 13 in., its design produces a lower volume of debris than standard plugs. In this video from the 2019 Hydraulic Fracturing Technology Conference on 6 February in The Woodlands, Texas, she also talks about key features of the plug and the results achieved ...

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Churchill deploys circulation sub in Iceland geothermal project

Churchill Drilling Tools announced it ran its DAV MX CircSub in the world’s deepest (4,650 m) and hottest (427°C) geothermal borehole in the Iceland Deep Drilling Project (IDDP) in 2017. The tool was selected on the recommendation of a major operator and partner for the IDDP due to its robust temperature resistance and experience in HPHT conventional wells. The tool offered a contingency against pack-off related circulation loss in which the BHA components would be cooked if circulation was lost.  Since then, operators have run the DAV MX CircSub 11 times in geothermal wells, activating the tool on 13 occasions. In 2018, this included an onshore geothermal well in the Netherlands, where the operator, running two DAV MX CircSubs, was able ...

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DynaEnergetics completes field trials of new DS Trinity perforating system

DynaEnergetics, a business of DMC Global, announced it achieved a 100% success rate on field trials of its new DS Trinity perforating system. DS Trinity, which features three charges on a single plane, is a member of the DynaStage family of factory-assembled, performance-assured perforating systems. The field trials were conducted in 6-in. casing using a 4-in. outer diameter (OD) DS Trinity system...

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