De-Risking A Horizontal Well Through Application of New Deep Directional Resistivity Tool to Equate Seismic Data with Borehole Data

Jenkins, Steve; Sims, Andrew Peter; Oldham, Eleanor; Silcock, S.; Seaton, M.; Spotkaeff, Matthew Sergei; Viandante, Mauro; Mirto, Ettore; Chow, Ha Yuk; Nath, A.; Blasdale, Tim; Lepp, R.

doi:10.2118/158040-ms

Cited by 11 publications

(4 citation statements)

References 1 publication

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“…The RMWD service has been run on a large number of wells in dozens of fields around the world (Beer et al 2010;Constable et al 2012;Jenkins et al 2012;Dupuis et al 2013).…”

Section: The Need For a Multi-disciplinary Methodsmentioning

confidence: 99%

3D Reservoir Mapping While Drilling

Viandante¹,

Pontarelli²,

Fernandes

et al. 2015

SPE/IATMI Asia Pacific Oil &Amp; Gas Conference and Exhibition

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A development campaign offshore Australia, with a total of 15 laterals in a challenging geological environment, has been successfully completed by Quadrant Energy. The main objectives were to geosteer and place the well path at an optimum standoff from the oil/water contact (OWC), while drilling at the interface of the gas/oil contact (GOC), when present, and at 1-1.5m TVD from the reservoir top when not.The field is characterized by a series of transverse and longitudinal seismic and sub-seismic faults that bisect hydrocarbon-bearing sands which represent the greatest challenges in this development campaign. Evidence from exploration wells showed a thin column of heavy oil and a gas cap in the fault-bonded reservoir. A new multi-disciplinary methodology not only enabled Quadrant Energy to achieve its development objectives, but to develop a full subsurface picture of the Coniston field reservoir.The use of the Reservoir Mapping-While-Drilling (RMWD) combined with Bed Boundary Mapping Tool (BBMT) and Multi-Function LWD services enabled the laterals to be placed at 1-2m TVD below the reservoir top or gas cap, when present, even in highly faulted sections. In addition to this precise placement the extreme depth of investigation of the RMWD service, in conjunction with the real-time multilayer inversion capability, constantly mapped the OWC at a distance up to 19m TVD below the wellbore. While drilling, different qualities of reservoir sands were identified and enabled the extensions of the wells' TDs based on reservoir properties. The distance to boundary information, provided in real-time by the RMWD service, was used in real-time by the Quadrant Energy geology and geophysics team to update and validate the seismic model that provided increased confidence in the reservoir model and a more precise planning for future development wells. This paper will illustrate the use of the latest LWD RMWD technology in a challenging geological environment. The paper will explore the close collaboration, teamwork, and integration necessary to drive innovation and demonstrate the outcomes of this successful campaign which have not only exceeded the development goals, but have also generated a full 3D view of the reservoir.

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“…The RMWD service has been run on a large number of wells in dozens of fields around the world (Beer et al 2010;Constable et al 2012;Jenkins et al 2012;Dupuis et al 2013).…”

Section: The Need For a Multi-disciplinary Methodsmentioning

confidence: 99%

3D Reservoir Mapping While Drilling

Viandante¹,

Pontarelli²,

Fernandes

et al. 2015

SPE/IATMI Asia Pacific Oil &Amp; Gas Conference and Exhibition

Self Cite

View full text Add to dashboard Cite

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“…Any inversion canvas can be exported with one click as a point set with attributes and visualized in the 3D window ( Figure 4). Note that boundaries observed can be picked by hand and output as 3D objects as well, either as lines above or below the wellbore or as ribbon surfaces, including lateral transverse information from the transverse dip channels (Jenkins et al, 2012).…”

Section: Statistical Inversion Principlesmentioning

confidence: 99%

Automatic inversion of deep-directional-resistivity measurements for well placement and reservoir description

Dupuis

Denichou

2015

The Leading Edge

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Deep-directional-resistivity (DDR) logging-while-drilling (LWD) technology has gained acceptance as an efficient method for horizontal well landing, geosteering, and reservoir and fluidcontact mapping. The largest part of the value lies in the automatic inversion of the measurements, improving the detection of geologic and fluid boundaries within a radius of investigation of more than 30 m around the wellbore in real time. The tool and its sensors were designed to acquire a data set with sensitivity to a number of formation properties ensuring the concurrent deployment of a robust inversion. Based on this, an inversion method implemented on computer clusters statistically samples (or explores) the multidimensional inversion space, returning the distribution of formation models that fit the available data. The most noticeable aspect to operators is that this is done without introducing bias. There is no need to commit to a number of layers or to the position, thickness, resistivity, or dip of the layers to generate the continuous images on which all DDR interpretation is based, which translates into several theoretical and practical advantages. In practice, this gives users a higher level of quality control and more confidence in interpreting the subsurface within a larger diameter around the wellbore, which is useful for integrating the information into a geomodel. This derisks current and future operation, improves real-time and planning decisions, and ultimately drives better well placement, completion, production, and return on investment.

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“…The DDR tool has been run on a large number of wells in dozens of fields around the world (Beer et al 2010;Constable et al 2012;Jenkins et al 2012;Leveque et al 2012;Dupuis et al 2013). The tool currently exists in two collar sizes, fit for hole sizes from 14¾ in.…”

Section: The Deep Reading Solutionmentioning

confidence: 99%

Avoid Pilot Holes, Land Wells, and Optimize Well Placement and Production with Deep Directional Resistivity Logging-While-Drilling

Dupuis

Mendoza-Barron

2014

All Days

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Landing horizontal wells in a reservoir is a critical task, and the accuracy of the result drives the economics of a well. Except when the geological environment is largely predictable, relying on well to well correlation techniques or on pilot holes fails to mitigate important risks in landing most wells. This paper details how a different solution more effectively manages the risks of a landing operation. The deep directional resistivity (DDR) logging while drilling (LWD) tool has been in use on dozens of fields around the world. The key features of the technology that play a role in de-risking landing wells range from the tool hardware, which enables a deep depth of investigation, sensitivity to direction, and a wide frequency range, to the surface interpretation software, which provides real-time automatic multilayer inversion. Applied to a landing in a North Sea field, the DDR LWD tool was part of the solution for meeting ambitious field development targets.

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De-Risking A Horizontal Well Through Application of New Deep Directional Resistivity Tool to Equate Seismic Data with Borehole Data

Cited by 11 publications

References 1 publication

3D Reservoir Mapping While Drilling

3D Reservoir Mapping While Drilling

Automatic inversion of deep-directional-resistivity measurements for well placement and reservoir description

Avoid Pilot Holes, Land Wells, and Optimize Well Placement and Production with Deep Directional Resistivity Logging-While-Drilling

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