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Thu, Apr 13


Chevron (HOU150) Room Lagos #40095

Drilling, Completions & Intervention Q1 Subcommittee Meeting

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Drilling, Completions & Intervention Q1 Subcommittee Meeting
Drilling, Completions & Intervention Q1 Subcommittee Meeting

Time & Location

Apr 13, 2023, 9:00 AM – 12:00 PM CDT

Chevron (HOU150) Room Lagos #40095, 1500 Louisiana St, Houston, TX 77002, USA

About the Event

9-10 DeepStar Nippon Foundation Project Status

10-11 DeepStar Core Project Status

11-12 Networking and Lunch Learn TBC


Drilling, Completions & Intervention Subcommittee

DeepStar Core Projects

•            22501   Electric SCSSV – [Chevron]

The objective of this project is to accelerate the development of an electrically-actuated Surfaced Controlled Subsurface Safety Valve (eSCSSV) to integrate into an All-Electric Subsea (AES) architecture. Integration of an eSCSSV into an AES system results in system simplification and likely ease of installation. The eSCSSV design adds further value by eliminating the high-pressure control fluid discharge (OPEX reduction, environmental improvement), allows deeper setting depths and faster closure times all while performing periodic electronics “health” checks.

              White Paper Study – Gap Analysis

DeepStar Nippon Project

22151 Thermally Stable CRA and Sealing Technology for Enhanced Geothermal System

A critical technology gap in harnessing such reservoirs is a production packer capable of surviving in hostile environments of acidic sub-supercritical water having CO2/H2S in solution, withstanding high differential pressures of up-to 10,000 psi. Concepts of metal expandable packers, while excellent are prone to failures as metal to metal seals are imperfect, especially when the casing or tubing may have surface asperities from supercritical sour water corrosion.

Product Development – Concept to Lab Scale Testing

DeepStar Drilling, Completions & Intervention Nipppon Foundation Projects 


  22152 (21), (20) Establishment of cost-effective monitoring method for HPHT reservoir and downhole by using P-T sensor-equipped flowable ball

Flowable Sensor ball aims at producing a novel, low cost conveyance method for reservoir and well parameter measurements. The 1st product is “Flowable P-T sensor” , which will be deployed downhole.  P-T sensor is set in a high strength, buoyant shell which is weighted by a dissolvable sinker structure. Measurement data is stored in memory and retrieved once the sensor flows back to surface upon dissolution of the sinker.

              Within DeepStar from concept to Field Tested, Second Generation Units in development

22153 (20), (21) Smart Dissolvable Plugged Nozzle Assemblies (DPNAs) to be Installed on limited Entry Liners with Tracer- Release Capability for Extended Reach Deviated Wells

The current project explores methods to design, engineer, and qualify dissolvable plugged nozzle assemblies (DPNA) with upgraded specs for worldwide introduction. It also delves into the commercialization of smart injection nozzles for limited entry perforated liners to eliminate dedicated “Displacement String” deployed to TD after running the Lower Completion Liner or ball drop sleeves for middle and lower completions. Sensing is accomplished via control release of tracers or electronic tags to indicate opening up of blocked nozzle aperture and onset of flow.  The ability of temporary plugged nozzles to hold bi-directional differential pressure up to 10,000 psi OD to ID / ID to OD are a first of its kind. Phase –I of project (current scope/phase gate goals) will research methods to embed novel dissolvable light-alloy in steel and nickel alloy nozzles (ICDs) with complex internal geometries to be used in Oil and Gas HPHT downhole environments. Phase – II with focus on integrating sensing in the light-dissolvable alloy’s DNA and field trials of smart DPNA.

Within DeepStar from concept to commercially available units from service vendors.


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  • Non - Member

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