Reed W. Spencer

BIT DAMAGE INDICATOR

EARTH-BORING TOOL STICK-SLIP PREDICTION SYSTEM AND RELATED METHODS

Earth-boring tools having a gauge region configured for reduced bit walk and method of drilling with same

Earth-boring tools having a gauge insert configured for reduced bit walk and method of drilling with same

Drilling operation simulation system and related methods

Modeling and simulation of complete drill strings

Earth-boring tools having a selectively tailored gauge region for reduced bit walk and method of drilling with same

Methods and systems for drilling boreholes in earth formations

System, method, and apparatus for optimized toolface control in directional drilling of subterranean formations

DOWNHOLE TOOLS HAVING VOLUMES OF HARD MATERIAL INCLUDING QUENCHED CARBON AND RELATED METHODS

Drill bits, rotatable cutting structures, cutting structures having adjustable rotational resistance, and related methods

Cutting elements for earth-boring tools, earth-boring tools including such cutting elements, and related methods

Methods of controlling drill bit trajectory by predicting bit walk and wellbore spiraling

Drill bit with extendable gauge pads

METHODS OF SELECTING BOTTOM HOLE ASSEMBLIES COMPRISING EARTH-BORING TOOLS, OF IMPROVING DRILLING OPERATIONS, AND OF IMPROVING DRILLING PLANS BASED ON DRILLING SIMULATIONS

Directional drill ahead simulator: directional wellbore prediction using BHA and bit models

Lateral motion drill bit model

Axial motion drill bit model

Formation-engaging element placement on earth-boring tools and related methods

DRILL BIT BODY RUBBING SIMULATION

DRILL BIT OPTIMIZATION BASED MOTION OF CUTTERS

Multi-parameter bit response model

Modeling and simulation of complete drill strings

Detection of downhole vibrations using surface data from drilling rigs