The Original
VR Series
conquer the toughest rock
The Dynamic Downhole Original VR Series is built to conquer the toughest rock with unmatched strength, durability, and versatility. Featuring a proprietary bearing system, field-replaceable cutters, and two points of contact so you never lose a cone, it delivers longer life and less downtime on every job. With the ability to field change old cutters to new, MT to TCI, or change cutter sizes for different passes the DD Original VR Series is ready to handle any project. Dynamic Downhole is the only HDD supplier that makes all of their products in house, in America, from start to finish.
Tool Highlights
- Proprietary Bearing Design
- Highest Weight On “Bit” Capacity
- With Two Points Of Contact You’ll Never Lose A Cone
- Field-replaceable Cutters
Robust Single-Body Design
Built from a solid, single-piece body, the Original VR Series is engineered to withstand extreme torque and impact in the toughest rock. Fewer failure points mean greater strength, longer life, and confidence on every pass.
Made In-House. Made in America.
Dynamic Downhole is the only HDD supplier that designs, machines, and assembles every product in-house, in the USA—from start to finish.
Interchangeable Cutters for Any Formation
Field-replaceable cutters give the Original VR Series unmatched versatility. Swap worn cutters for new ones, change from MT to TCI, or adjust cutter sizes for different passes—all on site, without replacing the tool.
Engineered Without Compromise
From cutter sizes to tool dimensions, every spec is built to handle extreme loads and demanding formations.
The Original Mini VR Series V4 & V6 Sizing
Body
# of Cutters
Min Pilot Hole
Connection (Box x Box)
aaa*
bbb*
ccc*
* Opening Range
Body
# of Cutters
Min Pilot Hole
Connection (Box x Box)
aa*
bb*
cc*
dd*
ee*
* Opening Range
Large VR Series V8 & V10 Sizing
Body
# of Cutters
Min Pilot Hole
Connection (Box x Box)
B*
C*
D*
E*
F*
G*
H*
* Opening Range
Jumbo VR Series JV20 - JV56 Sizing
Body
# of Cutters
Min Pilot Hole
Connection (Box x Box)
JC*
JD*
JE*
JF*
* Opening Range
Get the Right Tool for the Job
Talk with our experts to dial in the right setup for your formations, cutter sizes, and drilling goals.