Curves
Numar_MRI_Logging - Curve Mapping Catalog
📅 Publish Date: 2025-05-30
🏢 RP66 Company Code: 281
Numar_MRI_Logging Supplied Content
The Curve Mappings provided below are published by Numar_MRI_Logging through the PWLS Curve Catalog. All requests for modifications or comments should be made through the PWLS Curve Catalog GitLab repository
Overview
The following are Numar_MRI_Logging mappings of their log curve mnemonics to PWLS PropertyKinds. More information about the Practical Well Log Standard (PWLS) can be found here: https://gitlab.opengroup.org/energistics/reference-standards/pwls
Downloads
| Download Type | Link |
|---|---|
| Numar_MRI_Logging PWLS Curve Catalog | link |
| Entire PWLS Curve Catalog | link |
Curve Mappings
| Curve Mnemonic | Property | Curve Unit Quantity Class | LIS Curve Mnemonic | Curve Description |
|---|---|---|---|---|
| AF10 | shallow resistivity | electrical resistivity | Shallow or microresistivity from conventional logs | |
| AF30 | medium resistivity | electrical resistivity | Medium resistivity from conventional logs | |
| AF90 | deep resistivity | electrical resistivity | Deep resistivity from conventional logs | |
| AO10 | shallow resistivity | electrical resistivity | Shallow or microresistivity from conventional logs | |
| AO30 | medium resistivity | electrical resistivity | Medium resistivity from conventional logs | |
| AO90 | deep resistivity | electrical resistivity | Deep resistivity from conventional logs | |
| AT10 | shallow resistivity | electrical resistivity | Shallow or microresistivity from conventional logs | |
| AT30 | medium resistivity | electrical resistivity | Medium resistivity from conventional logs | |
| AT90 | deep resistivity | electrical resistivity | Deep resistivity from conventional logs | |
| BIN1 through BINxx | porosity | dimensionless | Summation of partial porosities (P1-Pxx) from MAP processing. For example BIN1=P1, BIN2=P1+P2, BIN3=P1+P2+P3 etc. | |
| BVIMD | irreducible water saturation | dimensionless | MRIL bulk volume irreducible (decimal) from Numar MRIAN processing. May differ from MBVI slightly in that a noise filter may be applied. | |
| BVW | water saturation | dimensionless | Bulk volume water effective (Dual Water) | |
| CALI | caliper | length | Caliper from conventional log run, typically from density logs | |
| CALIFLAG | amount | unitless | Bad hole flag, typically computed using caliper and/or conventional porosity excursions. | |
| CBVWE | water saturation | dimensionless | Bulk volume water effective from Numar MRIAN analysis | |
| CBVWT | water saturation | dimensionless | Bulk volume water total from Numar MRIAN analysis | |
| D | diffusivity | area per time | Coeffiecient of diffusion | |
| DFL | shallow resistivity | electrical resistivity | Shallow or microresistivity from conventional logs | |
| DVR2 | deep resistivity | electrical resistivity | Deep resistivity from conventional logs | |
| DW | diffusivity | area per time | Coefficient of diffusion for water | |
| ECHOxx or ECHxxx | diffusivity | area per time | MRIL Echo amplitude for echo number xxx. A data set may contain only the selected echos (1, 4, 8, & 13 for a B tool data set) that were presented on the field log or it may contain all available echos as such if requested by the client at the time the disk/tape were made. For LIS or TIF files, since the PETCOM output allows only 4 characters, the echo names may be abbreviated to ECxx or Exxx. | |
| GR | gamma ray | API gamma ray | Gamma ray from conventional log run | |
| HDRS | deep resistivity | electrical resistivity | Deep resistivity from conventional logs | |
| HMRS | medium resistivity | electrical resistivity | Medium resistivity from conventional logs | |
| IDPH | deep resistivity | electrical resistivity | Deep resistivity from conventional logs | |
| ILD | deep resistivity | electrical resistivity | Deep resistivity from conventional logs | |
| ILM | medium resistivity | electrical resistivity | Medium resistivity from conventional logs | |
| IMPH | medium resistivity | electrical resistivity | Medium resistivity from conventional logs | |
| IT2 | reciprocal time | reciprocal time | Inverse of T2 | |
| LLD | deep resistivity | electrical resistivity | Deep resistivity from conventional logs | |
| LLS | medium resistivity | electrical resistivity | Medium resistivity from conventional logs | |
| MBVI | irreducible water saturation | dimensionless | MRIL bulk volume irreducible | |
| MGR or GAMMA | gamma ray | API gamma ray | MRIL gamma ray | |
| MPERM | nmr permeability | permeability rock | MRIL permeability | |
| MPHI | nmr porosity | dimensionless | MRIL Porosity, Effective Porosity. | |
| MSFL | shallow resistivity | electrical resistivity | Shallow or microresistivity from conventional logs | |
| MVR2 | medium resistivity | electrical resistivity | Medium resistivity from conventional logs | |
| P1 through Pxx | nmr porosity | dimensionless | MRIL partial porosity (T2R) distribution bins from MAP processing. Pxx is the number of the highest T2R bin used, typically 8. | |
| PCNDOL | porosity | dimensionless | Neutron porosity using dolomite matrix computed from conventional NPHI | |
| PCNLS | porosity | dimensionless | Neutron porosity using limestone matrix computed from conventional NPHI | |
| PCNSS | porosity | dimensionless | Neutron porosity using sandstone matrix computed from conventional NPHI | |
| PDDOL | porosity | dimensionless | Density porosity using 2.87 gm/cc matrix density computed from conventional RHOB | |
| PDLS | porosity | dimensionless | Density porosity using 2.71 gm/cc matrix density computed from conventional RHOB | |
| PDSS | porosity | dimensionless | Density porosity using 2.65 gm/cc matrix density computed from conventional RHOB | |
| PEF | photoelectric factor | dimensionless | Photoelectric effect from conventional logs | |
| PHIMD | porosity | dimensionless | MRIL porosity (decimal) from Numar MRIAN processing. May differ from MPHI slightly in that a noise filter may be applied. | |
| PMRI | nmr permeability | permeability rock | MRIL permeability from Numar MRIAN analysis, uses total porosity and bulk volume irreducible total rather than MPHI and MBVI. | |
| PND | porosity | dimensionless | Neutron /density crossplot porosity | |
| POR1 through PORxx | porosity | dimensionless | Same as BIN1 through BINxx above (old nomenclature) | |
| PORE_RAD | length | length | Pore radius from T2 and diffusion log | |
| RDDW | ratio | dimensionless | Ratio of D to DW | |
| RFOC | shallow resistivity | electrical resistivity | Shallow or microresistivity from conventional logs | |
| RILD | deep resistivity | electrical resistivity | Deep resistivity from conventional logs | |
| RILM | medium resistivity | electrical resistivity | Medium resistivity from conventional logs | |
| RT | deep induction resistivity | electrical resistivity | Deep induction with borehole and invasion corrections | |
| SFL | shallow resistivity | electrical resistivity | Shallow or microresistivity from conventional logs | |
| SFLU | shallow resistivity | electrical resistivity | Shallow or microresistivity from conventional logs | |
| SHY | hydrocarbon saturation | dimensionless | Hydrocarbon saturation from T2 and diffusion log | |
| SP | spontaneous potential | electric potential difference | Spontaneous potential from conventional logs | |
| SW_T2D | water saturation | dimensionless | Water saturation from T2 and diffusion log | |
| T1 | longitudinal relaxation time | time | Longitudinal relaxation time | |
| T1_1 | longitudinal relaxation time | time | Longitudinal relaxation time (T1_1 refers to T1 derived from uniexponential fitting) | |
| T1_L | longitudinal relaxation time | time | Longitudinal relaxation time, long component | |
| T1_S | longitudinal relaxation time | time | Longitudinal relaxation time, short component | |
| T2 or T2GM | transverse relaxation time | time | Transverse relaxation time | |
| WI | amount | unitless | Textural parameter assuming irreducible conditions | |
| WQ | amount | unitless | Textural parameter used for CBVWE computation | |
| WW | amount | unitless | Textural parameter assuming water wet conditions |