Channel
Reservoir Engineering
@PetroleumEngineeringBooks
On this record: Topic · Growth · Engagement · Telegram's recommendations · Cite this entry
4,116subscribers
-36 since we began measuring on 13 September 2026
Risers and fallers across the register · movement among entries of 3,162–10,000.
Register entry
| Telegram ID | -1001378382733 |
|---|---|
| Type | Channel |
| Username | @PetroleumEngineeringBooks |
| Created | Between 1 April 2018 and 31 August 2021 — estimated from Telegram’s id allocation, not measured. How this range is calculated. |
| First recorded | 13 September 2026 |
| Last confirmed live | 1 November 2026 |
| Measurements held | 12 |
| Confirmed unchanged | 1 time, most recently 1 November 2026 |
| On Telegram | t.me/PetroleumEngineeringBooks |
Topic
Other / unclassifiable — a classification, not a measurement. An on-box language model (Qwen3.6-35B-A3B-FP8, prompt version 1) read this channel’s own recent posts on 29 September 2026 and assigned it the closest of 31 fixed categories, at 62% confidence. This is a model’s judgement about what the channel is likely to be about, not a fact this register measured the way a subscriber count or a view count is measured — it can be revised on a later pass, and it carries no weight anywhere else on this page. How this classification works, and the other topics.
Growth
| Measured (UTC) | Subscribers | Change |
|---|---|---|
| 1 Nov 2026, 05:08 | 4,116 | -13 |
| 28 Oct 2026, 20:47 | 4,129 | -1 |
| 25 Oct 2026, 15:27 | 4,130 | -7 |
| 19 Oct 2026, 13:07 | 4,137 | +1 |
| 16 Oct 2026, 09:15 | 4,136 | +7 |
| 13 Oct 2026, 00:08 | 4,129 | -3 |
| 6 Oct 2026, 13:56 | 4,132 | -2 |
| 29 Sept 2026, 03:01 | 4,134 | -12 |
| 18 Sept 2026, 21:01 | 4,146 | -5 |
| 14 Sept 2026, 15:59 | 4,151 | -1 |
| 13 Sept 2026, 14:59 | 4,152 | no change |
| 13 Sept 2026, 14:47 | 4,152 | first reading |
Engagement
Posts not read yet. This entry is on the register from its profile alone; the post reader has not reached it. Engagement figures appear here once posts have actually been measured — we do not publish a rate before we have the readings behind it.
Appears in Telegram’s recommendations for other channels
The reverse of the list above, and a different kind of signal. This does not require this channel to have ever been asked about directly — each row below is a channel we DID ask Telegram about, whose Telegram-generated list happened to include this one. A channel can appear here with an empty list above it, because being named by someone else’s query is independent of having been queried itself.
@drillingmanual2 · 30,489
Telegram ranks this channel #56 of 86 here — alongside 85 others — read 13 September 2026
This channel appears in 1 seed channel's Telegram-generated recommendation list in total. Each is Telegram’s list for THAT channel, not this one — see how this is measured.
Cite this entry
A live page changes as we take new readings, so a citation should name the measurement it is based on, not just the URL. The line below cites the subscriber count as measured 1 November 2026 — this entry's latest reading, not the date you are reading this.
“Reservoir Engineering” (@PetroleumEngineeringBooks), 4,116 subscribers as measured 1 November 2026. Telegram Register, tgregister.com/channel/PetroleumEngineeringBooks.
Full measurement history, CC BY 4.0. Every reading this register holds for this entry, not just the latest one, as a dated, downloadable record: CSV · JSON. Free to use with attribution to tgregister.com. Each file carries its own generation timestamp, which is the figure to cite for exactly when the data was retrieved.