MCF Energy Welchau-1 Well Testing Update: Light oil recovered during well unloading operations
MWN-AI** Summary
MCF Energy Ltd. has recently provided an update on the testing of its Welchau-1 well in Austria, indicating promising initial results from the Reifling Formation. MCF Energy holds a 25% economic stake in the Welchau project, with ADX Energy operating the site. The Reifling Formation, approximately 128 meters thick, is the shallowest among four carbonate reservoirs encountered at the well site.
During unloading operations, light oil and hydrocarbon gas were successfully recovered and sampled through swabbing. However, the initial testing highlighted that the acid treatment applied (6m³ across 45m of perforations) did not provide sufficient inflow to establish stable flow, suggesting it failed to access the open fracture network in the reservoir. Consequently, no reservoir pressure has been recorded to date, and the well has been suspended to monitor pressure buildup and fluid influx over time.
The operator, ADX, is currently assessing the next steps, which may include a more extensive acid stimulation requiring a coiled tubing unit. Notably, the nature of the oil and gas samples aligns with a revised structural interpretation that suggests a potential light oil column near the crest of the Welchau anticline, approximately 500 meters updip from the Welchau-1 location. This interpretation is bolstered by the lack of biodegradation observed in the sampled oil, as well as the presence of an overpressured system.
MCF Energy's focus is on enhancing Europe's energy security through the exploration and responsible development of natural gas resources, with Welchau being a significant project due to its proximity to existing infrastructure and relatively shallow drill depths. Ongoing evaluations aim to deepen the understanding of both the light oil and deeper gas potential within the Welchau anticline.
MWN-AI** Analysis
MCF Energy Ltd.'s recent update on the Welchau-1 well testing reveals significant potential for light oil recovery, sparking interest in the company as it proceeds with further evaluations of the Reifling Formation. Although the initial acidization did not yield stable flow rates, the recovery of light oil indicates that there may still be sizable reserves within the Welchau anticline that warrant further investigation.
Investors should consider the potential upside of this well alongside MCF’s strategic positioning in the Northern Calcareous Alps area, which is known for complex carbonate reservoirs. The presence of hydrocarbon gas and a lack of biodegradation in the sampled oil suggest good reservoir quality and a promising geological setting. MCF’s 25% interest in this venture, with ADX Energy operating the project, allows for a beneficial investment landscape, provided that additional testing proves fruitful.
Future operations, including a larger acid stimulation requiring coiled tubing, could enhance the permeability of the reservoir, potentially unlocking greater oil flows. The management's focus on monitoring pressure build-up and fluid influx is critical in determining the viability of this asset. Should the larger acid treatment yield successful results, MCF could see a significant increase in its production profile, translating to enhanced revenue potential.
From a market perspective, MCF Energy presents an attractive opportunity amid Europe’s ongoing transition to energy security and sustainability. With ongoing operations planned, the company is well-positioned to capitalize on burgeoning oil demand relative to supply constraints in Europe. However, investors should remain mindful of market volatility and operational risks inherent in oil and gas exploration. Maintaining a diversified portfolio within the energy sector, while keeping an eye on MCF's developments, could yield positive returns.
**MWN-AI Summary and Analysis is based on asking OpenAI to summarize and analyze this news release.
Canada NewsWire
VANCOUVER, BC, Feb. 23, 2026 /CNW/ - MCF Energy Ltd. (TSXV: MCF) (FRA: DC6) (OTCQX: MCFNF) (MCF or the Company) is pleased to report initial results from the resumption of testing of the Reifling Formation at the Welchau-1 well in Austria. MCF holds a 25% economic interest in the Welchau project, with ADX Energy (ADX) as the operator with the remaining 75% interest.
The 128-meter thick Reifling Formation is the shallowest of four carbonate reservoirs intersected at Welchau-1. Injection test performed and a small acidization treatment (6m³ across 45m of perforations) achieved inflow from the previously unresponsive reservoir.
Hydrocarbon gas and light oil were recovered and sampled at surface while unloading the well by swabbing. The oil and gas samples are currently being analysed. Insufficient inflow was achieved for stable flow indicating the small volume acid treatment did not access open fracture network.
A Reifling Formation reservoir pressure has not been recorded to date. However, the well has been suspended to record pressure build up and fluid influx.
Future Operations: The well will be monitored to record pressure build up and fluid inflow. The Welchau operator ADX is evaluating further testing, including a larger acid stimulation of the Reifling Formation requiring a coiled tubing unit. MCF will review ADX's plans once proposed.
The nature of the oil and gas sampled from this test supports the operator's revised structural interpretation, indicating that a light oil column may exist within the crest of the Welchau anticline approximately 500?metres updip from Welchau-1. The lack of biodegradation of the oil sampled within the Reifling and Steinalm Formations, as well as the observed over pressured system, further supports the interpretation of an updip oil accumulation.
Although the Welchau play is relatively complex, the potential reward is substantial for an onshore location, given its relatively shallow drill depths near to existing infrastructure. Ongoing work will provide an improved understanding of the shallow light oil accumulation and the deeper gas potential within the large Welchau anticline.
Compositional analysis of oil and gas samples is currently being undertaken. The well has been suspended to enable the monitoring of pressure build up and fluid inflow. There was insufficient inflow during testing for stable flow to be established indicating acid treatment did not access open fracture networks. The Reifling Formation is characterised as a marly limestone with relatively short fractures which may be interconnected with acidization.
The Reifling Formation encountered in the Welchau 1 is interpreted to be at or near the oil water contact for a light oil accumulation in the Welchau anticline which is mapped approximately 500 metres updip of the Welchau 1 well (refer to Figures 1 and 2).
The Welchau-1 well is located in the Northern Calcareous Alps hydrocarbon fairway. It was drilled to test gas and condensate potential within the Middle Triassic fractured carbonate reservoir sequences below the Triassic Lunz-Partnach regional seal complex. The well drilled through a hydrocarbon-bearing complex fractured carbonate reservoir interval with continuous hydrocarbon shows.
About MCF Energy
MCF Energy was established in 2022 by leading energy executives to strengthen Europe's energy security through responsible exploration and development of natural gas resources within the region. The Company has secured interests in several significant natural gas exploration projects in Austria and Germany with additional concession applications pending. MCF Energy is also evaluating additional opportunities throughout Europe. The Company's leaders have extensive experience in the European energy sector and are working to develop a cleaner, cheaper, and more secure natural gas industry as a transition to renewable energy sources. MCF Energy is a publicly traded company (TSX.V: MCF; FRA: DC6; OTCQX: MCFNF) and headquartered in Vancouver, British Columbia. For further information, please visit: www.mcfenergy.com.
Additional information on the Company is available at www.sedarplus.caa under the Company's profile.
Cautionary Statements:
NEITHER THE TSX VENTURE EXCHANGE NOR ITS REGULATION SERVICES PROVIDER (AS THAT TERM IS DEFINED IN POLICIES OF THE TSX VENTURE EXCHANGE) ACCEPTS RESPONSIBILITY FOR THE ADEQUACY OR ACCURACY OF THIS RELEASE.
Advisories:
Forward-Looking Information
This press release contains forward-looking statements and forward-looking information (collectively "forward-looking information") within the meaning of applicable securities laws relating to the Company's plans and other aspects of our anticipated future operations, management focus, strategies, financial, operating and production results, industry conditions, commodity prices and business opportunities. In addition, and without limiting the generality of the foregoing, this press release contains forward-looking information regarding the anticipated timing of development plans and resource potential with respect to the Company's right to assets in Germany. Forward-looking information typically uses words such as "anticipate", "believe", "project", "expect", "goal", "plan", "intend" or similar words suggesting future outcomes, statements that actions, events or conditions "may", "would", "could" or "will" be taken or occur in the future.
The forward-looking information is based on certain key expectations and assumptions made by MCF Energy's management, including expectations and assumptions noted subsequently in this press release under oil and gas advisories, and in addition with respect to prevailing commodity prices which may differ materially from the price forecasts applicable at the time of the respective Resource Audits conducted by Gaffney Cline Associates, and differentials, exchange rates, interest rates, applicable royalty rates and tax laws; future production rates and estimates of operating costs; performance of future wells; resource volumes; anticipated timing and results of capital expenditures; the success obtained in drilling new wells; the sufficiency of budgeted capital expenditures in carrying out planned activities; the timing, location and extent of future drilling operations; the state of the economy and the exploration and production business; results of operations; performance; business prospects and opportunities; the availability and cost of financing, labour and services; the impact of increasing competition; the ability to efficiently integrate assets and employees acquired through acquisitions, the ability to market natural gas successfully and MCF's ability to access capital. Although the Company believes that the expectations and assumptions on which such forward-looking information is based are reasonable, undue reliance should not be placed on the forward-looking information because MCF Energy can give no assurance that they will prove to be correct. Since forward-looking information addresses future events and conditions, by its very nature they involve inherent risks and uncertainties. MCF Energy's actual results, performance or achievement could differ materially from those expressed in, or implied by, the forward-looking information and, accordingly, no assurance can be given that any of the events anticipated by the forward-looking information will transpire or occur, or if any of them do so, what benefits that we will derive therefrom. Management has included the above summary of assumptions and risks related to forward-looking information provided in this press release in order to provide securityholders with a more complete perspective on future operations and such information may not be appropriate for other purposes.
Readers are cautioned that the foregoing lists of factors are not exhaustive. These forward-looking statements are made as of the date of this press release and we disclaim any intent or obligation to update publicly any forward-looking information, whether as a result of new information, future events or results or otherwise, other than as required by applicable securities laws.
Oil & Gas Advisories
Abbreviations: | |
Bcf | billion cubic feet |
Bcfe | billion cubic feet of natural gas equivalent |
Bbl | barrels |
Boe | barrels of oil equivalent |
M | thousand |
MM | million |
MMbbls | million barrels of oil |
MMBOE | million barrels of oil equivalent |
MMBC | million barrels of condensate |
MMcf | million cubic feet of natural gas |
Mcfe | thousand cubic feet of natural gas equivalent |
MCFD | thousand cubic feet per day |
MMCFD | million cubic feet per day |
MMcfe/d | million cubic feet equivalent per day |
Tcf | trillion cubic feet |
Km2 | square kilometers |
€ | Euros |
SOURCE MCF Energy Ltd.
View original content to download multimedia: http://www.newswire.ca/en/releases/archive/February2026/23/c0916.html
FAQ**
How does the recovery of light oil during the unloading operations at the Welchau-1 well impact MCF Energy's overall economic interest in the project, particularly considering the 25% stake Michel GrangesPaccot Fr Fin MCFNF holds?
What specific next steps is ADX Energy evaluating for further testing of the Reifling Formation, and how might these plans affect MCF Energy’s future operational strategies and investments?
Given the insufficient inflow for stable flow during the recent test, what alternative methods could MCF Energy pursue to access the open fracture network in the Reifling Formation, according to their structural interpretation of the reservoir?
How does the compositional analysis of the recovered samples influence MCF Energy's understanding of the oil and gas potential within the larger Welchau anticline, and what are the implications for future drilling decisions?
**MWN-AI FAQ is based on asking OpenAI questions about Pinedale Energy Limited (TSXVC: MCF:CC).
NASDAQ: MCF:CC
MCF:CC Trading
G/L:
$ Last:
0 Volume:
$ Open:
