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The Modular LWD Sub is the perfect solution for independent directional companies, even better than the technology supplied to major directional corporations. The Modular LWD Sub contains three downhole sensors that can run, or be purchased, in several different configurations. Lodestar allows the end user to purchase the technology one piece at a time.

• Proven Azimuthal Gamma Technology (see pg. 3)

• Powered By MWD System

• Most cost effective solution on the market

• Provides Resistivity Imaging While Drilling

• Full 3D resistivity imaging around the wellbore.

• Up to 3X (5X option) depth of investigation over natural gamma.

• Detect Oil-Water or Gas Water contact

• MWD Tool Can be Programmed in Thru Port

• 2 Gig Memory

• 16 Bin Real Time Gamma 64 Bin Memory Gamma

• Wave Propagation Resistivity

• Low Maintenance Cost

Azimuthal ResistivityAzimuthal GammaPressure While Drilling

• Patent Pending Design

• Receive test data in real time

MEASUREMENT WHILE DRILLING

MINImal Modular LWD Sub

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MEASUREMENT WHILE DRILLING

MINImal Modular LWDPRESSURE WHILE DRILLING BENEFITS• Accurate downhole measurement of equivalent circulating

density (ECD)• Swab/surge pressure monitoring while tripping and

reaming• Monitoring of hole cleaning• Accurate downhole measurement of hydrostatic pressure

and effective mud weight• Accurate leak-off test (LOT) and formation integrity test (FIT)

data without circulating to condition the mud

• Currently available in 6 3/4, Future availability in 4 3/4

AZIMUTHAL GAMMA IMAGING BENEFITS• Geo-steering in high angle wells• Identifying forthcoming bed boundaries with high gamma

contrast• Holding trajectory when drilling in formations with high

steering difficulty• Defining dip direction and identifying fractures via borehole

imaging for improved reservoir understanding

AZIMUTHAL RESISTIVITY IMAGING BENEFITS• Patented Application Filled -Modular Resistivity tool design• Deeper depth of investigation improve reaction time, allow-

ing for increased rate of penetration with reduced risk of exiting the targeted formation

• Detect oil-water or gas water contact• Easy to read geo-steering image• Gives distance and direction to contrasting bed boundary• Works in all drilling fluids

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Earth Model Computer Simulated Image

Azimuthal Resistivity Hatch

Electronics Hatch

Azimuthal Gamma Hatch

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This Log was created from the predecessor Lodestar At Bit -175 tool. The same technology and Gamma is used in the Modular LWD SUB.