Military action against Saudi Oil Pipeline (East-West) by October 31?

- [2026-10-14] Iraqi PM al-Zaidi was in Riyadh and promised Crown Prince MBS that Iraqi territory won't be used to attack Saudi Arabia. Al Jazeera says the pipeline was struck last month by drones launched from Iraq, and it has since resumed operations (max 7 mb/d). https://aljazeera.com/news/2026/10/14/iraq-pm-tells-saudi-crown-prince-iraqi-territory-wont-be-used-for-attacks - [2026-10-13] Houthi–Saudi escalation: the Saudi-led coalition struck Houthi oil sites in Sanaa, Ras Isa and Hodeidah. The Houthis hit an Aramco administrative building in Dhahran, and Saudi Arabia intercepted missiles aimed at Riyadh. The Houthis had hit Riyadh airport on Oct 11–12, killing at least 13. Saudi cabinet said the Houthis would face "consequences". https://www.aljazeera.com/news/2026/10/13/houthis-threaten-saudi-arabias-aramco-facilities-and-airports - [2026-10-14] Houthis vowed to keep targeting Saudi airports and oil infrastructure. Trump is considering joining the strikes on the Houthis. Houthis threatened US interests if he does. CBS also says Iran proxies have repeatedly targeted the East-West pipeline, taking it out of service for weeks. https://www.cbsnews.com/live-updates/iran-war-us-houthi-saudi-arabia-trump/ - [2026-10-04/05] AFP source: Khurais pumping station (east of Riyadh) hit on Oct 4, "big damage", pipeline halted again. Houthis had claimed strikes on Aramco sites in Riyadh and Khurais. The source is unnamed. https://www.tbsnews.net/worldbiz/middle-east/saudi-arabias-east-west-oil-pipeline-halted-again-after-fresh-attack-1563431 - [2026-10-05] Conflicting report: Briefs.co says people familiar with operations said the pipeline was running normally after the reported weekend strike. Oil rose up to 1.2% before easing. No Saudi official confirmation of the Oct 4 hit found. https://www.briefs.co/news/saudi-east-west-oil-pipeline-back-to-normal-after-reported-s/ - [2026-10-01] Projectile hit Yanbu terminal, causing a fire and a temporary suspension of operations. No claim of responsibility. Yanbu had earlier been shut 17 days after the September pipeline strike, which damaged three pumping stations. https://maritime-executive.com/article/explosion-and-fire-reported-at-yanbu - [2026-09-10/11] Multiple drones launched from Iraq hit pumping stations in the Riyadh and Medina regions. Saudi MFA confirmed this and the pipeline was shut as a precaution. Saudi Arabia chose not to retaliate against Iraq. https://www.aljazeera.com/news/2026/9/11/saudi-arabia-says-east-west-pipeline-hit-by-drones-launched-from-iraq - [2026-09-22] Kpler: flows were halted Sept 11–22. Satellite imagery showed repair and bypass construction. https://www.tbsnews.net/worldbiz/middle-east/saudi-arabias-east-west-oil-pipeline-halted-again-after-fresh-attack-1563431 - [2026-04-08/09] Earlier strike: Iranian attack on one pumping station cut throughput by about 700 kb/d, as the US–Iran ceasefire was announced. Saudi state media confirmed it, and capacity was restored within days. https://energynow.com/2026/04/attacks-cut-saudi-oil-output-and-east-west-pipeline-flow-state-news-agency-says/ - [2026-10-14] Substack commentary (Larry Johnson, low reliability) claims 4 of 13 pipeline stations are out of service. https://larrycjohnson.substack.com/p/the-pipeline-that-was-supposed-to - [2026-10-14] Context: The Iran war is ongoing, Hormuz is effectively closed, and Hormuz ship attacks are at a war high. The pipeline is the key bypass, carrying about 5.8 mb/d per Saudi energy minister. Al Jazeera's recommended stories list the 5.8 mb/d statement. https://www.cbsnews.com/live-updates/iran-war-us-houthi-saudi-arabia-trump/ BOTTOM LINE: The pipeline has been hit at least three times in 2026 (April, Sept 10–11, and a reported but contested Oct 4 strike). Houthi and Iraqi-militia attacks on Saudi energy sites are intensifying as of Oct 13–14, so the base rate is high. Qualifying hits need confirmation as non-intercepted strikes on the pipeline or its pumping stations, and Saudi confirmation has been patchy. NOT FOUND: Any confirmed strike on the pipeline between Oct 6 and Oct 14. Official Saudi confirmation of the Oct 4 Khurais strike. Any scheduled ceasefire or de-escalation event before Oct 31. A primary SPA or Aramco page.

- [2026-10-14] The Saudi–Houthi front is escalating now. AP reports a Houthi ballistic missile hit Aramco's Dhahran headquarters overnight. The Saudi-led coalition says it intercepted more drones and missiles aimed at Riyadh, Dhahran and Al-Kharj. Houthis keep threatening airports and oil facilities. A Houthi official says Oman, Russia and China are mediating a ceasefire. https://www.cp24.com/news/world/2026/10/14/iran-backed-houthis-struck-saudi-oil-giant-aramcos-executive-offices-officials-say/ - [2026-10-05] An AFP source says the East-West pipeline was hit again on 4 Oct, at a pumping station in Khurais east of Riyadh. The source reports "big damage" and a renewed halt in flows. This follows a Houthi claim to have targeted Aramco sites including Khurais. The report is anonymous and I did not find Saudi official confirmation. https://thisisbeirut.com.lb/news/politics/east-west-oil-pipeline-pumping-halted-after-new-attack - [2026-10-06] Saudi Energy Minister Prince Abdulaziz said pipeline throughput was back to 5.8m bpd. He said service resumed within 5–6 days of the September attack. https://www.aljazeera.com/news/2026/10/6/saudi-arabia-says-east-west-pipeline-pumping-5-8-million-bpd - [2026-09-11] Drones launched from Iraq hit pumping stations on the pipeline on 10–11 Sept. Saudi Arabia confirmed the attack, shut the line as a precaution, and held off retaliation. Reuters, as cited by ENR, says Pump Stations 8 and 9 were damaged. Flows were halted 11–22 Sept. https://www.aljazeera.com/news/2026/9/11/saudi-arabia-says-east-west-pipeline-hit-by-drones-launched-from-iraq - [2026-09-30] Wikipedia lists a series of pipeline strikes in 2026. Its timeline also records Houthi claims against Saudi "crude oil transport infrastructure" on 27 July. Houthi strikes on Aramco sites in Jizan, Yanbu and Najran followed in August. https://en.wikipedia.org/wiki/2026_East%E2%80%93West_Crude_Oil_Pipeline_attack - [2026-04-09] Reference class, earlier hit: Iran struck a pumping station hours after the 8 April US-Iran ceasefire. Saudi state media said it cut capacity by about 700,000 bpd. https://www.cnbc.com/2026/04/09/iran-war-oil-saudi-arabia-east-west-pipeline.html - [2026-10-13] Iran threatens Saudi oil facilities if US strikes resume. IRGC and Houthi attacks on Saudi oil sites continue. Riyadh's airport was shut through 17 Oct after deadly strikes. https://foxnews.com/live-news/us-iran-war-saudi-arabia-trump-houthis-10-13-26 - [2019-05-14] Pre-war precedent: Houthi drones hit two East-West pump stations (Dawadmi and Afif). That was a single event in a different regime. https://gulfnews.com/amp/story/world%2Fgulf%2Fsaudi%2Fsaudi-arabia-oil-stations-attacked-by-drones-1.63934993 - [2026-09-25] Aramco CEO Nasser says interruptions to oil infrastructure usually last days, not weeks. Saudi crude exports reached about 6m bpd in September. https://www.cnbc.com/2026/09/25/saudi-arabia-oil-iran-war-pipeline-strait-hormuz-red-sea-houthis.html Base-rate arithmetic, from the sources above: - Since the war began on 28 Feb, I count three confirmed or credibly reported pipeline strikes in about 7.5 months: 9 April, 10–11 Sept and 4 Oct. - A Wikipedia entry also mentions an earlier Houthi claim on 27 July. - Two of the three occurred in the last 5 weeks, in a period of intensifying Houthi and Iraqi-militia campaigns. - The window from 14 to 31 Oct is about 17 days. BOTTOM LINE: The event has recurred roughly every 3–4 weeks recently, and the Houthi campaign against Saudi energy sites is at peak intensity. A mediated ceasefire or Saudi interceptor success could cut the odds. The rules also require a verified impact on the pipeline or a pumping station, which Houthi claims alone do not satisfy. NOT FOUND: Saudi official confirmation of the 4 Oct Khurais strike. Any report of a pipeline strike between 5 and 14 Oct. Other prediction markets or expert probability estimates for this event.

YES means: a non-intercepted air strike or surface-to-surface missile or one-way drone strike impacts the Saudi East-West (Petroline) pipeline or one of its pumping stations between Oct 7 and 11:59 PM Riyadh time on Oct 31, 2026. - [2026-10-14] AP and Reuters report that Houthis "vowed" to keep attacking Saudi airports and oil facilities. Reuters quotes sources saying the Oct 13 Dhahran Aramco HQ strike caused extensive damage, more than the energy ministry's "limited fire." Intended Saudi targets are being hit despite warnings, and officials understate damage. https://www.usnews.com/news/world/articles/2026-10-14/yemens-houthis-vow-more-attacks-on-saudi-airports-oil-facilities-after-aramco-hq-hit - [2026-10-14] AP, via ADN and CP24: the coalition says it intercepted missiles and drones aimed at Riyadh, Dhahran and Al-Kharj. Experts say Saudi Arabia cannot intercept everything. The Houthis fire ballistic and cruise missiles with long-range drones in mixed salvos, and the kingdom is trying to cover a territory about three times the size of Texas. https://www.cp24.com/news/world/2026/10/14/houthis-struck-saudi-oil-giant-aramcos-headquarters-overnight-regional-officials-say/ - [2026-10-13] CNN analysis: Saudi Arabia is struggling to protect airports, refineries and pipelines. A Saudi source says the defence ministry must choose which installations to cover, because there are too many to defend. The 1,200 km pipeline with 11 pumping stations is a stretched, hard-to-defend target. https://cnn.com/2026/10/13/middleeast/saudi-arabia-defenses-yemen-houthis-intl - [2026-09-16] Reuters sources: the pipeline has 11 pumping stations and two pressure-relief stations. Stations 8 and 9 were damaged in September. Each station counts as a target under the rules, which multiplies the number of ways to resolve YES. https://boereport.com/2026/09/16/two-pumping-stations-along-saudi-east-west-pipeline-damaged-in-recent-attack-sources-say/ - [2026-10-05] The Houthis claimed strikes on Khurais on Oct 4, and the AFP energy source said the Khurais station was hit. That is a Houthi strike from Yemen reaching a pipeline pumping station deep inland (east of Riyadh). It shows a second attack route besides the Iraqi one. The report is anonymous and unconfirmed by Saudi Arabia. https://www.tbsnews.net/worldbiz/middle-east/saudi-arabias-east-west-oil-pipeline-halted-again-after-fresh-attack-1563431 - [2026-09-11] CNN, citing two US officials, said pumping stations at Al Mesba'ah and Al Dhekra were struck. Drones from Iraq originated in Maysan, and Iran-backed militias denied involvement. Iraq's government set a Sept 30 disarmament deadline, which powerful militias said they would not meet. The Iraqi launch route therefore has a plausible repeat, even with the Oct 14 pledge from PM al-Zaidi. https://www.cbc.ca/news/world/iraq-saudi-pipeline-9.7341679 - [2026-09-11] Saudi Arabia chose not to retaliate against Iraq at the Iraqi PM's request. The militias face no new deterrent cost for another strike. https://www.abc.net.au/news/2026-09-12/drone-attack-on-saudi-oil-pipeline-from-iraq/107146218 - [2026-09-14] CNBC: the Houthis have also made a ground push toward Bab el-Mandeb. A wider Houthi campaign against Saudi Arabia was already in place before the October air strikes. https://www.cnbc.com/2026/09/14/iran-war-saudi-arabia-east-west-pipeline-oil.html - [2026-10-14] AP: a Houthi official says Oman, Russia and China are pushing for a ceasefire. Nothing has been announced. Riyadh's reported two-week truce proposal via Oman is from about Sept 18 and came from Hezbollah-affiliated Al Akhbar. Yet attacks escalated afterwards, which suggests mediation is not slowing strikes. https://www.jpost.com/middle-east/article-909031 - [2026-10-14] Most likely path to YES: Houthi ballistic, cruise or drone salvos aimed at "oil facilities" keep getting through. They hit a pumping station, which are scattered across the country and lightly defended. Alternatively, Iraqi militia drones repeat the Sept 10–11 strike. Saudi or US/Israeli action against the Houthis or Iran would raise the chance of retaliation. Prerequisites: the attack must not be intercepted, and credible sources (Saudi statement, Reuters/AFP sources, satellite imagery) must tie it to a pipeline station. https://www.usnews.com/news/world/articles/2026-10-14/yemens-houthis-vow-more-attacks-on-saudi-airports-oil-facilities-after-aramco-hq-hit BOTTOM LINE: The Houthis are pledging to keep striking Saudi oil sites and are getting through the defences. Iraqi militias have shown they can reach pumping stations. Both routes were used in the past 5 weeks, and one of them (Oct 4) fell inside this market's window. NOT FOUND: A Saudi official confirmation of the Oct 4 Khurais hit, or any pipeline strike between Oct 5 and Oct 14. A Houthi claim naming the East-West pipeline specifically in October. Any announced ceasefire.

YES means: Between Oct 7 and Oct 31, 2026 (11:59 PM Riyadh time), a non-intercepted air strike or surface-to-surface missile or one-way drone strike directly impacts the Saudi East-West (Petroline) crude pipeline or one of its pumping stations. - [2026-10-06] The Oct 4 Khurais "hit" is weak evidence of a qualifying strike. Misbar, a fact-checker, found smoke on Sentinel-3 imagery from Oct 4–5 at the Khurais oil processing facility. It said the imagery "does not establish the cause" or damage, so the smoke can't be tied to a pumping station. The AFP "big damage" claim came from one unnamed source. Reuters and Bloomberg reported flows were not disrupted. The coalition spokesman called a parallel Houthi claim about Riyadh "misleading". https://www.misbar.com/en/editorial/2026/10/06/misbar-documents-smoke-near-khurais-following-houthi-attack-aramco-facility - [2026-10-05] Bloomberg, citing people familiar, said flows continued normally after the Khurais report. Aramco and the Energy Ministry did not respond to its requests for comment. Bloomberg said the line was already above 80% of its 7 mb/d capacity the week before. If the Oct 4 event doesn't count, the only confirmed hits this autumn are in April and Sept 10–11. https://en.yenisafak.com/world/saudi-oil-pipeline-operates-normally-after-attack-report-3724143 - [2026-10-14] The Oct 13–14 Houthi attacks were aimed at other targets. These were the Dhahran Aramco HQ, Riyadh and the airport. The coalition reported intercepting two ballistic missiles toward the east, plus drones and cruise missiles in the Riyadh and southern regions. None of these were pipeline hits. In the 8 days since the Oct 4–5 reports, I found no reported impact on the pipeline. https://cnn.com/2026/10/13/middleeast/saudi-strikes-houthi-fuel-depot-latam-intl - [2026-10-14] Saudi air defences were reported to have failed before the Oct 11–12 Riyadh airport strike. The coalition has since stated it intercepted barrages, and a Saudi investigation is under way. Interception of munitions is excluded under the rules. The pipeline spans about 1,200 km with 11 pumping stations, so it is a dispersed, hard-to-target set. Houthi long-range missiles are mostly aimed at high-profile cities and Aramco sites. https://cbsnews.com/live-updates/iran-war-us-trump-saudi-arabia-houthi - [2026-09-18] The Iraqi-militia strike of Sept 10–11 was a one-off. Saudi Arabia did not retaliate. Al Jazeera on Oct 14 reported that Iraq's PM promised Riyadh that Iraqi territory would not be used for attacks. That pledge is a plausible brake on the Iraqi vector, which caused the biggest confirmed hit. https://www.npr.org/2026/09/18/nx-s1-5973810/houthi-attacks-saudi-oil-world-markets - [2026-09-14] Diplomacy has some traction. Al Akhbar (Hezbollah-affiliated, so weak) reported Saudi Arabia sent Oman a two-week truce and direct-talks proposal. It also reported secret US–Houthi talks in Oman. A Houthi official on Oct 14 said Oman, Russia and China are mediating. Treat all of this as unconfirmed. https://www.jpost.com/middle-east/article-909031 - [2026-07-27] The Houthi "crude oil transport infrastructure" claim is the type of assertion that fails the criteria. Saudi Arabia said its air defences intercepted the drones launched from Iraq that day. Houthi claims are routinely unverified. Under the rules, only a "consensus of credible reporting" or Saudi official information counts. https://www.france24.com/en/middle-east/20260727-saudi-arabia-says-it-intercepted-drones-from-iraq-as-houthis-target-oil-sites - [2026-04-12] Saudi Arabia is quick to announce recovery. After the April strike it confirmed restoration within days. After the Sept strike the Energy Minister said service resumed within 5–6 days. Saudi Arabia has an incentive to downplay or not confirm hits. This makes official confirmation of a new strike less likely, and lets a contested report be argued as non-qualifying. https://fortune.com/2026/04/12/saudi-arabia-east-west-pipeline-full-capacity-iran-war-attack/ - [2026-10-14] A Substack claim that 4 of 13 stations are out of service is unreliable. It repeats the contested Oct 4 Khurais hit and says "no one has claimed" it. That contradicts the Houthi claim reported elsewhere. It is not a source for a new strike. https://www.unz.com/article/the-pipeline-that-was-supposed-to-save-saudi-arabia/ - [2026-10-13] Deadline arithmetic: the question opened Oct 7, so the Oct 4 event cannot count. Only about 17 days remain, Oct 14–31. At the confirmed rate of two events in about 6.5 months since April (about one every 3 months), 17 days is a small share of the interval. Even adding the contested Oct 4 event, a strike in any given 17-day window is far from certain. Houthi targeting is concentrated on Riyadh, Dhahran, airports and the Red Sea ports. BOTTOM LINE: The No case rests on three points. Only two strikes are firmly confirmed (April, Sept 10–11), and the Oct 4 Khurais hit is disputed, with Reuters and Bloomberg saying flows were uninterrupted. The recent Houthi surge is aimed mainly at cities and Aramco hubs, with interceptions excluded under the rules. The Iraqi vector has just been publicly curbed, and Saudi reticence plus the strict "impacts the pipeline or pumping station" test make a qualifying, confirmed hit in about 17 days uncertain. NOT FOUND: Any credible report of a pipeline or pumping-station hit between Oct 6 and Oct 14. Saudi or Aramco confirmation of the Oct 4 Khurais strike. Confirmation of a truce or Saudi–Houthi ceasefire date. Any other venue's market on this event.