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TNO / NLOG — Netherlands boreholes

Each dataset retains its source, access date, row count and reuse conditions. Filtered NDJSON is available for algorithm development.

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Records in snapshot
5,758
Distinct source well IDs
5,758
Source rows excluded from this atlas
979

Partial source coverage. Status and company roles are reported by each source, not independently verified as current. Unknown does not mean zero.

Mapped from source purpose; not current activity or a prediction.

Source accessed
Source snapshot date
Not reported / not verified
Original coordinate reference system
EPSG:23031 (ED50 / UTM zone 31N)
Position accuracy
Not reported / not verified
Reuse terms
Source-specific terms
Snapshot version
7d6e677299352a7b989393edc6a851c0822df0e5f2355d2bd0f6d0b3c86192df
Open source record SHA-256
93396847699c48d2a0bd5997acb7a1c898d5563cc05446d2a89978c638400a13

Review source terms

Source: NLOG / TNO Geological Survey of the Netherlands. Administrative data normalized by Wellficent.

Data coverage

Reported measured depth5,651 / 5,75898.1%
Reported operator5,670 / 5,75898.5%
Reported spud date5,758 / 5,758100.0%

Source purpose distribution

Mapped from source purpose; not current activity or a prediction.

Development2,866
Exploration1,978
Appraisal736
Injection purpose178

Matching records

Oil and gasExploration

'S-GRAVENZANDE-01

5218

Latitude / longitude (WGS84): 51.9976828 / 4.1322093Recorded spud date: 1996-11-15
Oil and gasDevelopment

'S-GRAVENZANDE-02

4241

Latitude / longitude (WGS84): 51.9943654 / 4.1433264Recorded spud date: 2001-12-01
Oil and gasExploration

'S-GRAVENZANDE-03

4954

Latitude / longitude (WGS84): 51.9943928 / 4.1432834Recorded spud date: 2005-01-19
Oil and gasDevelopment

'S-GRAVENZANDE-04

4994

Latitude / longitude (WGS84): 51.9944654 / 4.1432124Recorded spud date: 2005-10-31
Oil and gasAppraisal

'T ZANDT-01

2277

Latitude / longitude (WGS84): 53.3823524 / 6.785249Recorded spud date: 1974-07-22

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Sources and methodology

Public administrative records are normalized with stable source identifiers. Original operators, drilling contractors and reported owners remain separate roles. Dates describe source access or reported events; they do not establish live activity. Coordinates are transformed to WGS84 where needed. Confidential records and personal owner fields are excluded. See each source for coverage, attribution and reuse terms.

provider-transformed-to-wgs84

Matching records: 6,737 · Source rows excluded from this atlas: 979

COVERAGE / WELLFICENT ARCHIVE

Three sectors. A source for every count.

Classified stories
40
Source domains
16

This panel covers a selected part of our published reporting. Counts do not measure market size or all active wells. Missing records do not mean no activity.

Latest data review:

Oil and gas

Open data ↗

Up to 8 latest records are shown. Use the data link for the full records; only available translations are returned.

Event / source period ·

Egypt’s General Petroleum Company reviews discoveries and drilling investment

The FY2025/26 account reports 12 discoveries and plans its first Western Desert horizontal well.

Reported operational result

Exploration · Drilling · Production

No quantitative scope recorded.

Counts describe this announcement, not live inventory or industry totals. Funding selection is not a commitment to disburse funds.

Egypt Ministry of Petroleum and Mineral Resources ↗ · Source checked:

Event / source period ·

Gulf Keystone outlines Shaikan recovery and water-handling investment

Half-year results show security-related production disruption and a planned PF-2 capacity addition for 2027.

Reported operational result

Well completion · Production

No quantitative scope recorded.

Counts describe this announcement, not live inventory or industry totals. Funding selection is not a commitment to disburse funds.

Gulf Keystone Petroleum ↗ · Source checked:

Geothermal

Open data ↗

Up to 8 latest records are shown. Use the data link for the full records; only available translations are returned.

Water wells

Open data ↗

Up to 8 latest records are shown. Use the data link for the full records; only available translations are returned.

Event / source period ·

Homs starts a new water well in Bayadah

The drilling project targets a 150-metre depth and an expected yield of 50 cubic metres per hour.

Reported operational result

Drilling · Water supply

Wells
1

Counts describe this announcement, not live inventory or industry totals. Funding selection is not a commitment to disburse funds.

Syrian Arab News Agency ↗ · Source checked:

Event / source period ·

Hama reports progress on four solar-equipped water-well projects

Maarzaf, Jalma, Kafr Hud and Hasraya works are nearing completion, with grid backup still relevant.

Reported operational result

Well completion · Water supply

Projects
4

Counts describe this announcement, not live inventory or industry totals. Funding selection is not a commitment to disburse funds.

Syrian Arab News Agency ↗ · Source checked:

Event / source period ·

Raqqa begins rehabilitation at Maslakh well-two station

The 45-day project includes pumping equipment and targets service to roughly 250,000 people.

Reported operational result

Well completion · Water supply

No quantitative scope recorded.

Counts describe this announcement, not live inventory or industry totals. Funding selection is not a commitment to disburse funds.

Syrian Arab News Agency ↗ · Source checked:

Event / source period ·

Quneitra inspects Hadar water wells to plan repairs

Crews examine equipment and use a downhole camera, without announcing all water supply restored.

Reported operational result

Well completion · Water supply

No quantitative scope recorded.

Counts describe this announcement, not live inventory or industry totals. Funding selection is not a commitment to disburse funds.

Syrian Arab News Agency ↗ · Source checked:

Event / source period ·

Tartus replaces the submersible pump at Yahmour irrigation well

The intervention concerns station five and agricultural service covering approximately 180 hectares.

Reported operational result

Well completion · Water supply

Wells
1

Counts describe this announcement, not live inventory or industry totals. Funding selection is not a commitment to disburse funds.

Syrian Arab News Agency ↗ · Source checked:

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