# Type Curve

**Source:** Buckhead Energy Oil & Gas Encyclopedia (https://www.buckheadenergy.com/learn) — canonical: https://www.buckheadenergy.com/type-curve

A type curve is a representative production profile — an averaged or characteristic decline curve — built from the actual performance of existing wells in an area or formation, used to forecast how a new or undrilled well in that same area is likely to produce over its life, and thus to estimate future output, reserves, and value.

## A model well for an area
When an operator or a buyer wants to know what an undrilled location will do, there is no production history for that specific well yet. A type curve fills the gap: it takes the decline curves of many existing wells in the same formation and area and builds a single representative profile — a "typical well" — that stands in for what a new well there should produce.
In effect, the type curve is the model well for a play: an expected first-year rate and decline that, applied to a new location, produces a forecast of its future output.

## How type curves are built and used
Analysts group wells that share geology and completion style — same formation, similar lateral length and frac design — and average or statistically combine their production to derive the type curve. Because completions have improved over time, type curves are often normalized (for lateral length, for example) and updated as newer wells report.
The type curve then drives forecasting: multiply it across the remaining drillable locations in an area, apply prices and each owner's decimal, and you have an estimate of undeveloped value. It is central to how proved undeveloped reserves and drilling upside are quantified.

## Strengths and limits
A type curve is powerful because it turns a pile of well data into a usable forecast — but it is an average, and individual wells vary widely around it. A specific location can substantially beat or miss the type curve depending on rock quality, completion, spacing, and interference from nearby wells. Aggressive type curves (assuming every new well matches the best historical results) are a common way undeveloped value gets overstated.
So a careful analyst treats the type curve as a reasonable central estimate, not a guarantee, and discounts undrilled upside for the real risk that a location underperforms.

## Why it matters to owners
Type curves are behind the upside portion of a mineral valuation — the value attributed to wells not yet drilled on your acreage. Understanding that this upside rests on an averaged forecast helps you read an offer critically: the producing wells you already have are relatively certain, while type-curve-based future drilling is a projection that should be priced conservatively.
Buckhead Energy uses realistic, area-specific type curves and discounts undrilled upside for risk when valuing minerals. This page is educational information, not financial advice.

## Frequently asked questions

**What is a type curve?**
A representative production profile built from the actual performance of existing wells in an area or formation, used to forecast how a new or undrilled well there is likely to produce. It is essentially a model "typical well" for a play.

**How is a type curve used?**
To forecast undrilled locations: analysts apply the type curve across the remaining drillable spots in an area, then apply prices and each owner's decimal to estimate undeveloped value. It is central to quantifying proved undeveloped reserves and drilling upside.

**How is a type curve built?**
By grouping wells that share geology and completion style — same formation, similar lateral length and frac design — and averaging or statistically combining their production. Type curves are often normalized (for lateral length) and updated as newer wells report.

**Are type curves reliable?**
They are a reasonable central estimate, not a guarantee. A type curve is an average, and individual wells vary widely around it depending on rock quality, completion, spacing, and interference. Aggressive type curves are a common way undeveloped value gets overstated.

**How does a type curve affect my mineral value?**
It underlies the upside portion of a valuation — the value from wells not yet drilled on your acreage. That future drilling rests on an averaged forecast and should be priced conservatively, while your existing producing wells are relatively certain.

## Related terms
- [Decline Curve](https://www.buckheadenergy.com/decline-curve)
- [Oil and Gas Reserves](https://www.buckheadenergy.com/oil-and-gas-reserves)
- [Proved Developed Producing](https://www.buckheadenergy.com/proved-developed-producing)
- [How We Value Mineral Rights](https://www.buckheadenergy.com/how-we-value)
- [Oil & Gas Encyclopedia — all terms](https://www.buckheadenergy.com/learn)

_Educational information only, not legal or tax advice. Buckhead Energy is a direct buyer of oil & gas mineral and royalty interests._