---
title: "Information required for desanding / desludging"
slug: entsandung-entschlammung
legacy:
  type: help
  code: K3N8VX
links:
  related:
    - ALL95X
  glossary:
    - N4T7QX
lang: en
source:
  origin_lang: de
  origin_file: 02_product/de/help/K3N8VX_entsandung-entschlammung.md
  origin_hash:
    algorithm: sha256
    value: 027CABAFDB08588806EA5BA1FAE43A250447618DA4CAD34FF613873A06783347
translation:
  target_lang: en
  generated_at: "2026-07-15T12:01:16.096609712Z"
---


# Information required for desanding / desludging

![Overview of field trials involving desanding and desludging](/assets/img/screenshots/de_fieldtest_entsandung_part1.png)
![Desanding and desludging with master data and general information](/assets/img/screenshots/de_fieldtest_entsandung_part2.png)
![Desanding and desludging with a series of measurements](/assets/img/screenshots/de_fieldtest_entsandung_part3.png)
![Example of a generated report on desanding and desludging](/assets/img/samples/de_fieldtest_desanding-1.png)
![Example of a generated diagram for desanding and desludging](/assets/img/samples/de_fieldtest_desanding-2.png)

The data for **sand and silt removal** is recorded in the **Field Tests** section for the relevant borehole.

An entry is first created there and then categorised as **Sand and Silt Removal**.

To ensure a complete report and a meaningful diagram can be produced, both the general test data and the chronologically ordered measurement values for flow rate as well as sand and silt content must be fully maintained.

The details are maintained as follows:

- **Create test**: A new entry is added in the **Field Tests** section.
- **Reference**: A unique designation is assigned to the test, e.g. `Pump test #1`.
- **Type**: The type of field test is set to **Sand and Sludge Removal**.
- **Measurement interval**: The measurement interval in minutes determines the time interval between measurement points and is also shown in the document.
- **Technician**: The responsible technician, including their signature, is assigned to the test.
- **Comments**: Additional notes on the procedure, any special features or observations made during the operation can be entered in the comments field.
- **Measurement series**: A separate entry is created in the measurement series for each measurement point in time.
- **Date and time**: Each measurement point is assigned a specific timestamp.
- **Flow rate**: The current flow rate is documented for each measurement point.
- **Desanding**: The sand content is recorded for each measurement point.
- **Sludge removal**: The sludge content is also documented for each measurement point.
- **Chronological order**: The measurement series should be maintained in full and in the actual chronological order so that the log and diagram are generated correctly.
- **Automatic analysis**: The tabular log, the total duration, the total flow rate and the cumulative values for desanding and desludging are automatically generated from the entered measurement values.

The desanding and desludging process thus documents not only the trend in flow rate but also how the sand and sludge content changes during the operation.

Notes on data maintenance:

- Assign a clear and distinctive reference number to each operation.
- Record the measurement interval consistently with the actual measurement points recorded.
- Ensure that the dates and times of the measurement points are complete and in chronological order.
- Check that the flow rate, sand removal and sludge removal have been entered plausibly at each measurement point.
- Specify a technician if the document is to be issued with a signature.

If the basic data for the well is still missing, please first read the help text **Well Master Data**. The glossary entry **Field Test: Desanding / Desludging** may also be helpful for the technical classification of the document.