# error-models

**Repository Path**: SpikeXue_admin/error-models

## Basic Information

- **Project Name**: error-models
- **Description**: No description available
- **Primary Language**: Unknown
- **License**: Not specified
- **Default Branch**: main
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 0
- **Created**: 2026-08-27
- **Last Updated**: 2026-09-02

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

# Error Model Sub-Committee

> [!IMPORTANT]
> This page work in-progress and subject to change without notice.

Welome to the ISCWSA Error Model sub-committee GitHub repository.

# Mission
The role of the ISCWSA Error Model Maintenance Group is to define the mathematical framework for modeling the uncertainty in wellbore surveying. This allows different companies to implement a consistent set of algorithms for error modeling. The committee also defines a set of generic, conservative tool-codes for use when specific service provider tool-codes are not available.

> [!TIP]
> In general, ISCWSA does not define or supply the detailed magnitudes (error models, tool codes or IPM files) for a particular survey tool.

# Projects

## Error Model JSON Schema

> [!CAUTION]
> **NOT PRODUCTION READY!**

> [!WARNING]
> This schema and any models are a work in-progress and published only for testing and review.

---
### PROJECT GOALS

1) Create a JSON schema to support a common Error Model exchange format within OSDU and the industry at large.

2) Migrate current Error Model definitions from Excel to schema-compliant JSON. **(\*)**

**(\*)** Excludes legacy models

---
### TECHNICAL DETAILS

- TODO

---
### LINKS

- [JSON Schema Reference](https://json-schema.org/understanding-json-schema/reference)
- [Sub-Commitee Page](https://www.iscwsa.net/committees/error-model)
- [Error Model Documentation](https://www.iscwsa.net/error-model-documentation)
  - [Release Notes](https://www.iscwsa.net/media/files/files/41658d23/release-notes-iscwsa-error-model-revision-5-beta_68MWHmu.pdf) (.pdf)
  - [Rev5 Definition](https://www.iscwsa.net/media/files/files/64bd61c2/definition-of-iscwsa-error-model-v5-13.pdf) (.pdf)
  - [XCL Supplement](https://www.iscwsa.net/media/files/files/65e684c6/xcl-error-supplement-r16.pdf) (.pdf)
  - [Geomagnetic Models](https://www.iscwsa.net/media/files/files/c23e8374/five-primary-geomagnetic-reference-model-categories-rev2.pdf) (.pdf)
- [ICSWSA MWD Error Models](https://www.iscwsa.net/files/809) (.xlsx)
- [ISCWSA Rotating Continuous 6-Axis MWD](https://www.iscwsa.net/files/1052) (.xlsx)
- [Generic Error Models SetA Rev5-1](https://www.iscwsa.net/files/807) (.xlsx)
- [Generic Error Models SetB Rev5-1](https://www.iscwsa.net/files/808) (.xlsx)
- [ISCWSA MWD Diagnostics Rev5-1](https://www.iscwsa.net/files/806) (.zip)

---
### FAQS
- TODO