single trip whipstock

Whipstock Systems

Graco’s MasterTech redefines the cased wellbore exit landscape with its cutting-edge, single trip whipstock system.

Graco MasterTech redefines the cased wellbore exit landscape with its cutting-edge, single-trip whipstock system. This isn’t just a solution; it’s a dynamic whipstock system meticulously crafted to set new industry benchmarks.

With its cost-effective approach for exiting cased wellbores, Graco’s MasterTech’s compact design, short whipstock length, and compact milling assembly enable the creation of a shorter window-exit Bottom Hole Assembly (BHA).

This system brings seamless navigation through the most severe doglegs. Experience a quicker kickoff and achieve a higher build rate in short-radius applications, all while ensuring retrievability for multi-zone operations.

Elevate your drilling operations with MasterTech, the ultimate retrievable whipstock system engineered for excellence.

Continued Excellence. Year After Year.

Customers turn to Graco for our distinct expertise and service, driven by our understanding of the costs tied to operational halts and potential asset loss.

Get in touch with a member of our team; we’re ready to support our customers 24/7.

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Explore the future of single trip whipstock systems with our MasterTECH Whipstock flyer – your gateway to unmatched innovation, efficiency, and reliability.

MasterTech Whipstock Flyer

For personalized assistance or inquiries, reach out to our team of experts

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Permanent Whipstock Sidetracking Systems

iTS, Parker Wellbore provides drilling operations with permanent and retrievable whipstock sidetracking system which help to resume productive drilling operations for window milling projects in a safe and efficient way. With globally located API-certified facilities, we quickly mobilize and deliver premium whipstock systems to limit operational downtime, even for drilling operations in harsh and remote environments. Plus, with our industry-leading customer support, our team makes sure that the equipment and systems we provide are used in the most efficient and safe way.

Versatile and efficient Whipstock Sidetracking Systems

iTS, Parker Wellbore not only provides high-quality whipstock systems, but the necessary support to properly utilize these tools.  iTS, Parker Wellbore can provide a combination of whipstock and sidetracking equipment in order to change the trajectory of the wellbore, creating a cost-effective alternative to aborting the well and moving to a new location.

Easy-Trak Casing Departure System

iTS, Parker Wellbore’s Easy-Trak System is a unique whipstock/multi-mill combination tool used for sidetracking operations. Available in a wide range of standard and custom-made sizes using whipstocks that can be retrieved or permanently set, the Easy-Trak System is extremely versatile and flexible.

Several key features of the Easy-Trak System include:

• One-trip system with mill, whipstock and anchor integrated assembly
• Proven cutting structure using custom-blend carbides and specially designed tungsten inserts for quick cutting
• Whipstock uses a mechanically or hydraulically set anchor that allows for both top and bottom-side exits
• Multi-mill design that reduces stress on the mill assembly during cut-out phase

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To learn more about what Parker can do for you, please contact us

At Parker, our aim is to help energy companies accomplish their operational goals efficiently, reliably and safely, through advanced drilling, rental, and operational solutions.

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Technology and equipment for window-cutting in cased and/or open hole well by application of one-trip whipstock with hydraulic anchor/packer

- One trip whipstock

- Our whipstock, although very simple in design, provide a reliable anchor.

- The use of our whipstocks allows the cutting of the window in casings without any cementing or similar operations with inclinations up to 90º.

- The double mill cutter is reinforced with metal-ceramic composition and reinforced by alloy plates that make possible high-speed milling.

- The use of our whipstocks makes possible window-cutting operations of only 4 to 8 hours, depending on casing thickness, casing steel grade, and inclination angle in the window-cutting interval.

- Whipstock system can be used with Close Valve System (CVS) for orientation by MWD. CVS allows to circulate while running at any depth with flow rate up to 600 GPM.

Unique Single-Trip Cut, Circulate, and Pull Service Saves Two Trips on Deepwater GOM Slot Recovery

Published: 01/23/2017

Slot recovery in deepwater GOM field

In a redevelopment and slot recovery operation in a subsea well in the mature Green Canyon field, Gulf of Mexico (GOM), an operator needed to P&A the nonproducing lower wellbore, sidetrack a new wellbore from the recovered slot, and use the existing subsea infrastructure to return the well to production. To maximize the economics of the slot recovery, the operator sought technology to reduce the number of trips needed to cut, circulate, and retrieve wellhead seals and casing.

Conventional methods require at least three trips or more if the casing cut and pull is unsuccessful after the first cut. Wellhead seals are recovered on the first trip. Then, the pipe cutter is run in on the second trip. On the third trip, the inline casing spear is run in, and the severed pipe is circulated up the annulus for recovery before the whipstock can be set.

Fewer trips with ProCISE system

For this slot recovery operation, Schlumberger recommended the ProCISE casing cutting and recovery system, which is an engineered assembly composed of multiple technologies designed to perform the P&A operation more efficiently. Prior to initiating a cut, the wellhead seals are pulled and mud displacement circulates out trapped annular gas. An inline casing spear is then engaged and an overpull check is performed to indicate a secure latch and to cut the casing in tension. Next, the WELL COMMANDER circulating tool from M-I SWACO, a Schlumberger company, is deactivated. Then circulation begins, transmitting rotation to the cutting assembly.

The multicycle pipe cutter, which allows multiple cuts per run, provides a contingency cutting system when multiple cut attempts are required, a common occurrence in P&A operations. In this well, imaging data showed settling of solids at the cutting location, which could require multiple cuts. The pipe cutter has three sets of blades that can perform multiple cuts in one trip, so if the casing cannot be freed on the first attempt, the cutting process can be repeated further up until the casing string is freed.

The pipe cutter is also equipped with a Flo-Tel downhole mechanical position indicator that provides pressure data at the surface for confirmation of a successful cut at each cutter position, eliminating the risk of pulling out of hole before the cutting operation is complete.

Once a successful cut is indicated, the latching spear is released, a unique high-pressure packoff is placed at the top of the cut casing string, and the inline casing spear is reengaged. Circulation is reestablished, and with the packoff set, returns come around the outside of the cut 9 5/8-in casing. This enables circulation of any cement, solids, and gas trapped in the annulus between the casing strings, all with established well control barriers in place. Once the cleanout circulation process is complete and the casing is confirmed to be free, the inline casing spear is unlatched and reengaged again so that the taper mill and multicycle pipe cutter are positioned inside the cut casing string. At this point, a trip out begins.

Successful cutting operation in one trip

The ProCISE casing cutting and recovery system enabled the operator to cut the casing free and recover the severed string at surface in a single trip while achieving an abandonment and subsequent kickoff depth of 5,005 ft. As a result, the operation was completed in one trip instead of three, eliminating two trips on the deepwater slot recovery. During the next phase of the slot recovery operation, the annulus was cleaned, and a TrackMaster CH cased hole whipstock system was set to exit the 13 3/8-in casing, sidetrack, and continue drilling to the new targeted production zone.

• Download PDF

Challenge:  Reduce rig time required to cut, pull, and circulate around 9 5/8-in casing known to have annular solids and gas on a deepwater slot recovery operation in a GOM brownfield.

Solution:  Use the ProCISE casing cutting and recovery system to perform P&A operations in a single trip.

Results: 

• Retrieved wellhead seals on BHA without a need for an extra trip.
• Cut casing free and circulated out trapped gas and packed annular solids in a single trip with established well control.
• Maximized casing recovery to ensure whipstock setting depth was as per the new sidetrack drilling program, and there was no requirement to set the whipstock higher in the 13 3/8-in casing.

Place lost circulation and wellbore strengthening materials with an alternate circulation path.

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Weatherford installs 113 consecutive whipstocks with 100% single-trip execution

HOUSTON - Weatherford International announced a milestone of 113 consecutive cased hole whipstock jobs completed in a single trip. The installation success began with the first run in February 2018 and reached number 113 in October 2019. Weatherford accomplished this notable success exclusively in California, with zero nonproductive time. 

Flawless execution. “This is an industry-first achievement,” said Dean Bell, president of Well Construction for Weatherford.  “Our work in California involved six operators and exits from seven casing sizes. Weatherford crews logged a remarkable 3,577.5 working hours with an average mill time of 2.88 hr/run. There’s no doubt this unprecedented success was made possible by absolute operational adherence to process and procedures at every level, from the shop to the field.”

Decades of system development. A critical component of the whipstock installation success in California was Weatherford’s QuickCut casing-exit system, Fig. 1. Designed specifically to meet a variety of customer requirements, the system improves milling performance and penetration rate, as well as maintains gauge retention of the milling assembly. Coupled with the industry’s most competent people, QuickCut reduces rig time, achieves the objective in one-trip, and exceeds the performance of alternative systems.  

The QuickCut system enables operators to design an exit that exactly meets their well-specific conditions, whether plans necessitate short radius, extended reach drilling, or challenging completions installations. The system gives operators the ability to create a smooth transition from the parent wellbore into the lateral section.

The QuickCut casing-exit system can be applied to sidetrack and exiting through multiple casing strings, wellbore restrictions, and wells with high- and low-side exits. It can also be used to access bypassed or behind-pipe reserves and in horizontal and multilateral installations or wells with high-dogleg severity. The system offers the following technological advantages:   

• Mechanical or hydraulic actuation enables complete well control while circulating, logging, or drilling. Hydraulic actuation removes the need for a false bottom to prevent costly bridge plug installations.
• Exit any casing size or weight.
• One size anchor catches multiple sizes and facilitates passage through restrictions.
• Lead-mill technology provides full-gauge windows and ratholes with single-trip efficiency to reduce rig time and costs.
• Lug technology protects the whipstock during cutout and accurately directs the lead mill into the casing wall.
• Casing exits can be created independently of the hole inclination, which makes high- and low-side exits possible up through 9 5/8-in. casing.

Employee development. Weatherford’s learning and development programs are critical to the continued success of the different global product lines. These programs consist of soft-skills and technical training, a comprehensive competence assurance program and structured career paths:

“The Intervention Services (fishing and re-entry) training curriculum includes online computer-based training, classroom, and hands-on training, focusing primarily on the use of the operational control plan, technical work instructions (TWI), checklists and forms. It also includes soft-skill development of our field population,” according to Weatherford’s V.P. of Intervention Services, Chris Cutrer.

Weatherford’s Competence Assurance Program is a risk-based competence assessment process that assures our personnel have the capability to deliver our services as per operating standards. Following this methodology, the assessment program is structured in three components: 

• Weatherford Core – minimum requirements for all personnel.
• Product Line Core – minimum requirements for all personnel in the fishing and re-entry product line, consisting of core processes, basic processes, products, services or equipment.
• Product Line Bolt-On – additional units for specialized equipment and job types within the fishing and re-entry product line.

Weatherford’s career paths are skills-based protocol, self-driven by employees, providing them a clear and structured way to advance their career.  Employees, managers, and human resources interact throughout the career levels progression assuring the employee have attained the necessary knowledge and skills required for next step promotion.

Customer value added. All these processes and procedures in place, together with a non-negotiable leadership commitment to develop our workforce, assures Weatherford personnel deliver high-quality products and services to our clients that reduce costs and mitigate NPT, while ensuring the safety of everyone involved in Weatherford operations. 

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TrackMaster* Select Whipstock System

• TrackMaster* OH-C Whipstock and Cementing System
• ProCISE™ Casing Cutting and Recovery System
• PullMaster Hydraulic Pulling Unit
• ProLATCH™ Wellhead Retrieval System
• ProMILL™ Milling And Underreaming System
• ProMILL Duo™ (Dual Casing Section Mill)
• Milling and Cutting Structures
• Section Milling
• Casing Milling
• Underreaming
• Casing Cutting
• Casing Cleaning
• Debris Management
• Combo Efficiencies
• Wellhead and Riser Cleaning
• Circulation Control and Accessories
• Thru Tubing (TT) Services
• FiberLine Technology
• DRILCO: Tubular Services
• Thomas Tools: Rental Equipment
• Engineering Services
• Geothermal Solutions
• Sustained Casing Pressure Remediation Solutions
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Applications

Three categories define the configuration options for the TrackMaster* Select system:

CONVENTIONAL SIDETRACKS

• Single casing
• Hard formation
• Extended rathole
• Elongated window

ADVANCED SIDETRACKS

• Heavy wall, high-strength casing
• Corrosion-resistant alloy casing
• Lowside exit
• Dual and triple casing

SPECIALIZED SIDETRACKS

• Custom multi-lateral junctions
• Flow by access configurations

Operational Drivers

• Multi-lateral
• Production increase
• Cost reduction
• Obstruction
• Collapsed casing
• Directional issue

TrackMaster * Select

• A History of Innovation
• Unrivaled Experience
• Global Presence

*Mark of Wellbore Integrity Solutions

• Application-specific configuration options
• One-trip solution saves time and cost
• Comprehensive planning process
• Proprietary modeling software to predict window geometry and BHA pass-through
• Increased durability and reliability
• Improved milling efficiency in a broad range of casing and formations

Document Downloads

• Bi-mill, tri-mill and quad-mill configurations
• Customized cutting structures for all casing and formation types
• Fabricated and integral mill designs
• Unique multi-ramp profile offers rapid cut out and extended full gauge window
• Integral retrieval slot for whipstock recovery when required
• Configurations options for multi-lateral and flow by applications
• Anti-rotation and high-axial-load slip design
• Hydraulic and mechanical set actuation
• High-pressure packer element option available
• Large slip areas to reduce casing stress and provide more positive anchor set

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Whipstock anchor systems

Ensure efficient sidetrack operations with robust, reliable whipstock anchoring solutions.

• Reliably secure whipstock system in place, even in irregular and uneven wellbores
• Ensure one-trip deployment and anchoring in place, even in large wellbores
• Sidetrack around downhole fish and overcome washed-out wellbores

Applications

• Applications requiring an alternative to packer/anchor assemblies
• Cemented and noncemented openhole sidetracking
• Cased-hole applications during casing exit operations

Ensure that your sidetracking jobs go precisely to plan with proven whipstock anchor systems from Baker Hughes. Our reliable anchoring systems keep the whipstock in place during the sidetracking operation, even in the most demanding wellbore environments. You’re assured more precise sidetrack placement, in less time and at lower risk compared to cemented sidetrack operations.

Ensure flawless operation and flexible setting options

Our whipstock anchor systems are available in different setting options, including hydraulic-set and bottom-trip, to give you improved operational flexibility.

Hydraulic-set inflatable packer anchors provide a proven whipstock anchoring solution in irregular and uneven wellbores and allow for stable, positive deflection of the drilling bottomhole assembly in hard, compressive formations.  

Bottom-trip retrievable anchors like our TorqueMaster™ bottom set anchor provide enhanced durability during sidetracking and efficient slip retraction for easy retrieval.

The durability of our anchoring systems also allows for faster trip-in speeds through the vertical section of your wellbore, thus reducing your rig time—even when sidetracking around stuck fish in the well.

Contact us today to learn how our whipstock anchor systems give you the reliability and risk-free operation you need in your sidetracking jobs.

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