11/30/2016
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`StackFRAC HD system enables high stimulation rates | Packers Plus
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`MNU
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`CASE STUDY
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`tackFRAC HD sstem enales high stimulation rates
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`UNITED STATES, MISSISSIPPIAN
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`
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`STACKFRAC HD SYSTEM
`
`ackground
`
`The Mississippian play is a carbonate oil trend spanning northern Oklahoma and southern
`Kansas for approximately 6.5 million acres. The uppermost member of this play is the “Chat,”
`which consists of chert, limestone and dolomite. The Mississippi Lime, found beneath the Chat
`can be found at depths between 2,800 and 3,500 ft in the east and between 4,500 and 6,500 ft
`in the west. High permeability and porosity are common in the Mississippian at approximately 1
`– 2 mD and 10 – 20%, respectively, in the upper portion.
`
`The Mississippian formation has been developed using vertical drilling for years, but the majority
`of development today has been focused on horizontal wells, either through new‐drills or by re‐
`entering existing vertical wells. As a shallow, liquids‐rich play with low development costs
`relative to other formations, the Mississippian has become an increasingly attractive play.
`
`http://packersplus.com/performance/stackfrachdsystemenableshighstimulationrates/
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`StackFRAC HD system enables high stimulation rates | Packers Plus
`
`MNU
`
`CASE STUDY
`
`tackFRAC HD sstem enales high stimulation rates
`
`
`
`UNITED STATES, MISSISSIPPIAN
`
`
`
`
`STACKFRAC HD SYSTEM
`
`ackground
`
`The Mississippian play is a carbonate oil trend spanning northern Oklahoma and southern
`Kansas for approximately 6.5 million acres. The uppermost member of this play is the “Chat,”
`which consists of chert, limestone and dolomite. The Mississippi Lime, found beneath the Chat
`can be found at depths between 2,800 and 3,500 ft in the east and between 4,500 and 6,500 ft
`in the west. High permeability and porosity are common in the Mississippian at approximately 1
`– 2 mD and 10 – 20%, respectively, in the upper portion.
`
`The Mississippian formation has been developed using vertical drilling for years, but the majority
`of development today has been focused on horizontal wells, either through new‐drills or by re‐
`entering existing vertical wells. As a shallow, liquids‐rich play with low development costs
`relative to other formations, the Mississippian has become an increasingly attractive play.
`
`http://packersplus.com/performance/stackfrachdsystemenableshighstimulationrates/
`
`1 of 5
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`1/5
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`Ex. 2057
`IPR2016-01517
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`11/30/2016
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`StackFRAC HD system enables high stimulation rates | Packers Plus
`
`Challenge
`
`Packers Plus has been successfully completing wells in the Mississippian formation since 2007.
`During this time, Packers Plus has worked hand in hand with the operators to provide
`completion technology advancements to better exploit their reserves. Operators stimulate these
`wells at very high rates, up to 120 bpm. In addition to boosting their rates, operators have also
`been increasing the total stage count in their wells. The Mississippian is a critical area of oil and
`gas development for many operators and effective drilling and completion strategies must be
`employed to maximize production.
`
`olution
`
`The Packers Plus StackFRAC® system is an open hole, multi‐stage ball‐drop completion that has
`been used in over 180 formations worldwide. The StackFRAC system uses hydraulically set,
`mechanical RockSEAL® packers to isolate sections of the wellbore, and FracPORT™ sleeves to
`create openings in between the packers for fracture treatment. Size‐specific actuation balls are
`injected into the system to allow for hydraulic opening of the FracPORT sleeves and create
`internal isolation from stage to stage.
`
`To allow for more stages, Packers Plus introduced the StackFRAC HD system, which doubled the
`stage capability of the original system. To mitigate concerns regarding the effect of pumping
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`http://packersplus.com/performance/stackfrachdsystemenableshighstimulationrates/
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`StackFRAC HD system enables high stimulation rates | Packers Plus
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`proppant at high rates, all Packers Plus FracPORT ball seats are made with an erosional‐resistant
`material. The FracPORT sleeves, in combination with a field‐proven suite of actuation balls, allow
`operators to stimulate their wells faster and more efficiently.
`
`Results
`
`One operator working in the Mississippian used a 16‐stage StackFRAC HD system with 1/8‐in. ball
`seat increments to complete their open hole horizontal well. Prior to installation, a reamer was
`used to prepare the wellbore for the completion string, gauging the wellbore to ensure the
`system would reach the desired depth. The system was successfully installed with the SF Liner
`Hanger Packer set in the lateral at 90°, just above the intermediate shoe, to allow production
`equipment to be set deeper in the well.
`
`The RockSEAL packers were spaced out on the liner with an average stage length of 250 ft.
`During the fracture stimulation, 15% HCl was pumped followed by a slickwater fracture
`treatment using 30/50 white and 16/30 resin‐coated proppants. The stimulation was pumped at
`an average 115 bpm to a maximum of 123 bpm with an average total proppant/stage of 200,000
`lb.
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`http://packersplus.com/performance/stackfrachdsystemenableshighstimulationrates/
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`StackFRAC HD system enables high stimulation rates | Packers Plus
`11/30/2016
`As of June 2013, Packers Plus has run 34 StackFRAC systems in the Mississippian throughout
`Oklahoma and Kansas. The wells have been completed with 12 to 20 stages. All have been
`successfully completed with no operational issues. Moving forward, the operator will be using
`1/16‐in. seat increments in their higher density wells. This allows the systems to be designed with
`larger ball seat sizes, reducing friction and enabling the operator to run more stages with higher
`treating rates (Figure 1).
`
`The success of these wells demonstrates the benefits of using the StackFRAC HD system in the
`Mississippian formation. Packers Plus innovated open hole multi‐stage systems in 2001 and has
`run more systems than all other providers combined. This provides operators with the highest
`level of operational experience and best practices for running open hole systems in this and
`other formations. Our commitment to reliable technology and tailored solutions for each well,
`along with operational efficiency ensure that costs remain low, while optimizing the success of
`the well.
`
`DOWNLOAD PDF
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`Copyright © 2016 Packers Plus Energy Services Inc.
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`Terms & Conditions | Contact Us | Media Kit
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`Our Company
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`Who We Are
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`http://packersplus.com/performance/stackfrachdsystemenableshighstimulationrates/
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`StackFRAC HD system enables high stimulation rates | Packers Plus
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`11/30/2016
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