Term: sample measured depth (samp_md)
In non deviated well, measured depth is equal to the true vertical depth, TVD (TVD=TVDSS plus the reference or datum it refers to). In deviated wells, the MD is the length of trajectory of the borehole measured from the same reference or datum. Common datums used are ground level (GL), drilling rig floor (DF), rotary table (RT), kelly bushing (KB) and mean sea level (MSL). If "other" is specified, please propose entry in "additional info" field
URI: MIXS:0000413
Applicable Checklists and Extensions
NOTE: does not include Combinations (of checklists and extensions) that use samp_md.
Name | Description | Checklist/Extension |
---|---|---|
HydrocarbonResourcesCores | A collection of terms appropriate when collecting samples and sequencing samp... | Extension |
Properties
- Range: String
- Cardinality: 0..1
Examples
Value |
---|
1534 meter;MSL |
Annotations
- Expected_value: measurement value;enumeration
- Preferred_unit: meter
LinkML Source
name: samp_md
annotations:
Expected_value:
tag: Expected_value
value: measurement value;enumeration
Preferred_unit:
tag: Preferred_unit
value: meter
description: In non deviated well, measured depth is equal to the true vertical depth,
TVD (TVD=TVDSS plus the reference or datum it refers to). In deviated wells, the
MD is the length of trajectory of the borehole measured from the same reference
or datum. Common datums used are ground level (GL), drilling rig floor (DF), rotary
table (RT), kelly bushing (KB) and mean sea level (MSL). If "other" is specified,
please propose entry in "additional info" field
title: sample measured depth
examples:
- value: 1534 meter;MSL
from_schema: https://w3id.org/mixs
keywords:
- depth
- measurement
- sample
string_serialization: '{float} {unit};[GL|DF|RT|KB|MSL|other]'
slot_uri: MIXS:0000413
alias: samp_md
domain_of:
- HydrocarbonResourcesCores
range: string