NGHP Expedition 1

SCHLUMBERGER LWD TOOLS

RESISTIVITY (geoVISION, EcoScope)

A) Resistivity at the Bit (geoVISION:(0.0305 and 0.1524 m Sampling Rate)

BDAV Deep Resistivity Average (ohmm)

BMAV Medium Resistivity Average (ohmm)

BSAV Shallow Resistivity Average (ohmm)

RBIT Bit Resistivity (ohmm)

RING Ring Resistivity (ohmm)

B) Array Resistivity Compensated (EcoScope)

P16B Phase Shift Resistivity Blended, 16 in. (ohmm)

P22B Phase Shift Resistivity Blended, 22 in. (ohmm)

P28B Phase Shift Resistivity Blended, 28 in. (ohmm)

P34B Phase Shift Resistivity Blended, 34 in. (ohmm)

P40B Phase Shift Resistivity Blended, 40 in. (ohmm)

P16H Phase Shift Resistivity, 2 MHz, 16 in (ohmm)

P22H Phase Shift Resistivity, 2 MHz, 22 in (ohmm)

P28H Phase Shift Resistivity, 2 MHz, 28 in (ohmm)

P34H Phase Shift Resistivity, 2 MHz, 34 in (ohmm)

P40H Phase Shift Resistivity, 2 MHz, 40 in (ohmm)

P16L Phase Shift Resistivity, 400 KHz, 16 in (ohmm)

P22L Phase Shift Resistivity, 400 KHz, 22 in (ohmm)

P28L Phase Shift Resistivity, 400 KHz, 28 in (ohmm)

P34L Phase Shift Resistivity, 400 KHz, 34 in (ohmm)

P40L Phase Shift Resistivity, 400 KHz, 40 in (ohmm)

A16B Attenuation Resistivity Blended, 16 in. (ohmm)

A22B Attenuation Resistivity Blended, 22 in. (ohmm)

A28B Attenuation Resistivity Blended, 28 in. (ohmm)

A34B Attenuation Resistivity Blended, 34 in. (ohmm)

A40B Attenuation Resistivity Blended, 40 in. (ohmm)

A16H Attenuation Resistivity, 2 MHz, 16 in. (ohmm)

A22H Attenuation Resistivity, 2 MHz, 22 in. (ohmm)

A28H Attenuation Resistivity, 2 MHz, 28 in. (ohmm)

A34H Attenuation Resistivity, 2 MHz, 34 in. (ohmm)

A40H Attenuation Resistivity, 2 MHz, 40 in. (ohmm)

A16L Attenuation Resistivity, 400 KHz, 16 in. (ohmm)

A22L Attenuation Resistivity, 400 KHz, 22 in. (ohmm)

A28L Attenuation Resistivity, 400 KHz, 28 in. (ohmm)

A34L Attenuation Resistivity, 400 KHz, 34 in. (ohmm)

A40L Attenuation Resistivity, 400 KHz, 40 in. (ohmm)

SONIC (sonicVISION)

DTBC Compressional Slowness, Borehole Compensated (microsec/ft)

DTCC Delta-t, Collar Compensated (microsec/ft)

DTRP Delta-t, Receiver Array (microsec/ft)

DTTP Delta-t, Transmitter Array (microsec/ft)

VELP Compressional Velocity (km/s)

BULK DENSITY (EcoScope)

DRHO Density Correction (g/cm3)

IDRO Image Derived Density (g/cm3)

IDDR Image Derived Density Correction g/cm3)

IDPE Image Derived Photoelectric Effect (barns/e-)

PEF Photoelectric Effect (barns/e-)

RHOB Bulk Density (g/cm3)

POROSITY (EcoScope)

TNPH Thermal Neutron Porosity (%)

BPHI Best Thermal Neutron Porosity, Average (%)

GAMMA RAY (geoVISION, EcoScope)

A) Resistivity-at-the-Bit geoVISION)

GR Gamma Ray (API Units)

B) Ecoscope (EcoScope)

GRMA Gamma Ray Averaged (gAPI units)

GEOCHEMISTRY (EcoScope)

DWAL_WALK2 Dry Weight Fraction Pseudo Aluminum (Walk2 Mode)

DWCA_WALK2 Dry Weight Fraction Calcium (Walk2 Mode)

DWFE_WALK2 Dry Weight Fraction Iron (Walk2 Mode)

DWGD_WALK2 Dry Weight Fraction Gadolinium (Walk2 Mode)

DWSI_WALK2 Dry Weight Fraction Silicon (Walk2 Mode)

DWSU_WALK2 Dry Weight Fraction Sulfur (Walk2 Mode)

DWTI_WALK2 Dry Weight Fraction Titanium (Walk2 Mode)

CALIPER (EcoScope)

DCAV Differential Caliper, Averaged (in)

UCAL Ultrasonic Caliper, Averaged (in)

NUCLEAR MAGNETIC RESONANCE (proVISION)

BFV Bound Fluid Volume (%)

FFV Free Fluid Volume (%)

MRP Magnetic Resonance Porosity (%)

T2 T2 Distribution (%)

T2LM T2 Logarithmic Mean (ms)

MEASUREMENT-WHILE-DRILLING (TeleScope)

DHAP Downhole Annulus Pressure (psi)

DHAT Downhole Annulus Temperature (degC)

MISCELLANEOUS (EcoScope, geoVISION)

A) EcoScope

ARTM Resistivity Time After Bit (s)

CRPM Collar Rotational Speed (rpm)

TAB_DEN Density Time after Bit (s)

TAB_NEU Neutron Time after Bit (s)

B) geoVISION

B1TM Shallow Resistivity Time after Bit (s)

B2TM Medium Resistivity Time after Bit (s)

B3TM Deep Resistivity Time after Bit (s)

GRTK Gamma Ray Time after Bit (s)

RBTM Bit Resistivity Time After Bit (s)

ROP5_RM Rate of Penetration, average over last 5 ft (m/hr)

RPM Tool Rotational Speed (rpm)

RTIM Ring Resistivity Time after Bit (s)