/**
 * Energy Intelligence - Drilling Productivity Resource
 *
 * Access EIA Drilling Productivity Report data including new well production,
 * legacy decline rates, and DUC well inventories by basin.
 */
import type { OilPriceAPI } from "../../client.js";
/**
 * Drilling productivity record
 */
export interface DrillingProductivityRecord {
    /** Record ID */
    id: string;
    /** Basin name */
    basin?: string;
    /** New well oil production per rig (barrels/day) */
    new_well_oil_production?: number;
    /** New well gas production per rig (mcf/day) */
    new_well_gas_production?: number;
    /** Legacy production change (oil) */
    legacy_oil_change?: number;
    /** Legacy production change (gas) */
    legacy_gas_change?: number;
    /** DUC well count */
    duc_count?: number;
    /** Report date */
    date: string;
    /** Month */
    month?: string;
    /** ISO timestamp */
    timestamp: string;
    /** Additional metadata */
    metadata?: Record<string, unknown>;
}
/**
 * Drilling productivity summary
 */
export interface DrillingProductivitySummary {
    /** Total new well oil production */
    total_new_well_oil?: number;
    /** Total new well gas production */
    total_new_well_gas?: number;
    /** Total DUC wells */
    total_duc_wells?: number;
    /** As of date */
    as_of_date: string;
}
/**
 * DUC well data
 */
export interface DUCWellInventory {
    /** Basin name */
    basin: string;
    /** DUC well count */
    duc_count: number;
    /** Change from previous month */
    change?: number;
    /** Date */
    date: string;
}
/**
 * Productivity by basin
 */
export interface ProductivityByBasin {
    /** Basin name */
    basin: string;
    /** New well oil production */
    new_well_oil_production?: number;
    /** New well gas production */
    new_well_gas_production?: number;
    /** DUC count */
    duc_count?: number;
    /** Date */
    date: string;
}
/**
 * Historical productivity data point
 */
export interface HistoricalProductivity {
    /** Date */
    date: string;
    /** New well oil production */
    new_well_oil_production?: number;
    /** New well gas production */
    new_well_gas_production?: number;
    /** DUC count */
    duc_count?: number;
}
/**
 * Productivity trend data
 */
export interface ProductivityTrend {
    /** Basin name */
    basin: string;
    /** Trend direction */
    trend: "up" | "down" | "flat";
    /** Change percentage */
    change_percent?: number;
    /** Metric type */
    metric: string;
}
/**
 * EI Drilling Productivity Resource
 *
 * Access EIA Drilling Productivity Report data for major US basins.
 *
 * @example
 * ```typescript
 * const client = new OilPriceAPI({ apiKey: 'your_key' });
 *
 * // Get latest productivity data
 * const latest = await client.ei.drillingProductivity.latest();
 * console.log(`Basin: ${latest.basin}`);
 * console.log(`New well oil: ${latest.new_well_oil_production} bpd/rig`);
 *
 * // Get DUC wells
 * const duc = await client.ei.drillingProductivity.ducWells();
 * duc.forEach(d => console.log(`${d.basin}: ${d.duc_count} DUC wells`));
 * ```
 */
export declare class EIDrillingProductivityResource {
    private client;
    constructor(client: OilPriceAPI);
    /**
     * List all drilling productivity records
     *
     * @returns Array of productivity records
     */
    list(): Promise<DrillingProductivityRecord[]>;
    /**
     * Get a specific productivity record
     *
     * @param id - Record ID
     * @returns Productivity record
     */
    get(id: string): Promise<DrillingProductivityRecord>;
    /**
     * Get latest drilling productivity data
     *
     * @returns Latest productivity record
     */
    latest(): Promise<DrillingProductivityRecord>;
    /**
     * Get drilling productivity summary
     *
     * @returns Productivity summary across all basins
     */
    summary(): Promise<DrillingProductivitySummary>;
    /**
     * Get DUC well inventories
     *
     * @returns Array of DUC well counts by basin
     */
    ducWells(): Promise<DUCWellInventory[]>;
    /**
     * Get productivity by basin
     *
     * @returns Array of productivity data by basin
     */
    byBasin(): Promise<ProductivityByBasin[]>;
    /**
     * Get historical productivity data
     *
     * @returns Array of historical productivity metrics
     */
    historical(): Promise<HistoricalProductivity[]>;
    /**
     * Get productivity trends
     *
     * @returns Array of productivity trends by basin
     */
    trends(): Promise<ProductivityTrend[]>;
}