Rate of Penetration

Rate of Penetration

Less Drag. More Footage

Friction and drag rob the bit of weight and torque. Motors stall, tool face wanders, and your footage per hour drops. DTI conditions the hole and cuts contact points, so the energy you put in at surface arrives at the bit.

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Challenge

Friction and drag along the string limit the weight and torque that reach your bit. What you lose there, you lose everywhere.

The bill comes due on slides, where poor weight transfer stalls the motor and costs you footage.

Stalls your Motor

When too much weight reaches the bit, the motor stalls, and you spend time off bottom restarting the process.

Costs You Tool Face Control

Inconsistent weight transfer makes tool face hard to hold, which puts your directional plan and well placement at risk. You spend time reorienting instead of drilling.

Slows your Footage

Weight and torque lost in the string is footage not optimized. Time is money.

Root Causes

Addressing the Root Causes

Low ROP is rarely a bit problem. Weight and energy leave surface and get spent in the string before they ever reach the bit. Better weight transfer means higher overall ROP, and weight transfer improves when you minimize drag on stabilizers and improve wellbore geometry.

Sharp Edges and Steep Tapers

Most conventional stabilizers were never designed for today's modern drilling challenges. The spiral design, steeper tapers, and a sharp shoulder dig into the wall instead of riding it, and every contact point takes a share of your weight to bit. For vertical drilling, and slower rate of penetration with low string rpms, these tools were utilized for decades and can still be utilized in some application.

A Tortuous, Spiraled Hole

A spiraled hole raises downhole torque and drag, so weight arrives at the bit unevenly, or not at all.

Balling and Packing Off

Cuttings packed around conventional stabilizers choke hole cleaning, and a balled-up string does not transfer weight cleanly. Where drilling is slower and there is time for cuttings sweeps, conventional stabilizers can be adequate. However, in most wells today, they are not the best choice.

Vibration and Drilling Dysfunctions (Whirl, Stick-Slip)

Energy lost to uncontrolled vibration is energy not effectively used to cut rock. Stick-slip causes erratic bit speed and torque, reducing ROP and increasing the risk of cutter damage. Today’s drilling demands, including higher RPM, longer laterals, and increasingly complex well paths, introduce greater challenges for BHA stability and drilling efficiency. Meeting these demands requires advanced BHA technology.

Stalling on Slides

In today’s demanding wells, high-friction stabilizers hang the string up while sliding, so weight arrives in surges and the motor stalls.

Solutions

Maximize ROP with DTI’s Wellbore Conditioning Tools